Confidentiality Notice: This electronic message contains information from ElQuator Sdn Bhd which may be privileged or confidential. The information is intended to be for the use of the individual(s) or entity named above. If you are not the intended recipient be aware that any disclosure, copying, distribution or use of the contents of this information is prohibited. If you have received this electronic message in error, please notify us by telephone or email (to the numbers or address above) immediately.
Presentation and findings to TNB – SEDA Small Hydro Bidding PSS-1 for ElQuator Energetic Mechanism Sdn Bhd 30 MW Segamat, Johor
19th Sept 2019
List of Revisions
Revision Date
Description of changes
00
12 Sept 2019 Draft issued for Client’s comments and discussion
01
16 Sept 2019 Re-issued for presentation to TNB
02
19 Sept 2019 Re-issued as final with editorial update to slides 5,14,20,21,37 and 39
Revision Date
Names
Author
Technical Review Approved
02
19 Sept 2019 Keehan Chan Afrima Consulting
Keehan Chan
Project introduction
1. Elquator Energetic Mechanism Sdn Bhd 2. 30 MW at Segamat, Johor 3. Small hydro electric power plant (SHEP) 4. Direct to JMTH132
5. Expected COD by December 2024 6. KOM conducted – 03 rd Sept 2019 7. Presentation to SHEP Committee – 17 th Sept 2019
PSS Stage 1 - findings summary
Assessment of: – Impact to the TNB transmission network – Performance requirements of the MGC
Assessed to have no adverse impact on the TNB network for steady state under CatA, CatB and CatC
Potential need for reactive power support (depending on plant design)
Assessed to comply with the performance requirements of the MGC
PSS-1 – Executive summary
Description of SHEP plant
Proposed Land for SHEP plant
Lot 3132, GRN95885, Jementah, Segamat, Johor
▪
Land bank in Segamat, Johor
▪
3 plots estimated to cover 7.5 acres Plot 1 ~ 2.5 acres allocated for the presented SHEP
Plot 3
▪
Plot 2
Plot 1
Lot 3132, Mukim Jementah, Segamat, Johor Darul Takzim Plot 1 - 2°27'56.6"N 102°41'30.1"E / 2.46572, 102.69169 Plot 2 - 2°27'57.9"N 102°41'28.5"E / 2.46607, 102.69126 Plot 3 - 2°27'59.4"N 102°41'26.5"E / 2.46649, 102.69069
•
•
•
•
Site location photo #1
Site location photo #2
Site location photo #3
Connection of SHEP plant
▪
Direct connection to JMTH132
▪ Potential LSS-3 (100 MWac) direct connection to JMTH132
▪ Existing spare bays reserved for TNB future plan, with SHEP then extension on available space will be necessary
Proposed space for bay extension with UGC termination for SHEP
Bay reserved for TNB future plan
Connection of SHEP plant
▪
Direct connection to JMTH132
▪
Short distance of underground cable (UGC)
Plot 1
132KV PMU Jementah
45 MVA 11KV/132KV 12%
11kV, 4000A, 31.5KA 3 sec
125 Amps
3 MVA 0.400kV/11KV 6%
3,500 Amps
3 rd Block of Generators
2 nd Block of Generators
1 st Block of Generators
G
G
180 units of generator including 30 units back-up on hot standby. For studies only 150 units are considered (except short circuit studies)
12 units @ 295 KVA 236 KW per unit
Rated Power Output= 2,832 kW
SHEP plant electrical information
▪
Preliminary and subject to final design
cct #2
TKAK 132 kV
SGMT 132 kV
cct #1
JMTH 132 kV
LSS-3 100 MWac
Negligible 132 kV UGC
ELQUPCC 132 kV
45 MVA 132/11 kV Main Collector Step-up Transformer Z=12.0%
YNd1
ELQUCOL 11.0 kV
Step-up station (SPP)
Negligible 11 kV connectors
132 kV switching station
45 MVA 11/0.415 kV lumped equivalent representing 15 units of 3.0 MVA collector transformer Z=6%
Dyn11
ELQUGEN 0.415 kV
Lumped equivalent 30 MW Maximum Output at ELQUPCC representing multiple generators
SHEP plant electrical information
▪ SHEP electrical data used for modelling
Step-up station (SPP)
132 kV switching station
Objective of PSS and Methodology
Objective of PSS
▪ Identify the connection scheme options (and configurations) for the transmission connection of the SHEP taking into account the existing transmission infrastructure within the vicinity of the plant. ▪ To investigate the impact of the new connection to the grid system as well as the impact of the grid system on the operations of the SHEP. ▪ Assess the ability of the SHEP plant to comply with the technical requirements as stated in the Malaysian Grid Code (MGC), Guidelines on Large Scale Solar PV Plant for Connection to Electricity Networks and the Power Purchase Agreement (PPA).
▪ Consider the worst case scenario as priority.
Methodology
Software, cases and scenarios
The primary software to be used for the PSS is PSSE v32. Due to the expected COD the PSSE cases for year 2025 will be used in the study. The study will cover both the peak and trough scenarios of the 2025 TNB network.
Scenarios considered:
– Scenario 1 – 2025 TNB network with peak load [ ATDP2018_PEAK_Y2024_v2.sav ]
– Scenario 2 – 2025 TNB network with trough load [ATDP2018_TROUGH_Y2024_v2.sav]
– Note that the TNB network does not have any significant changes from 2024 to 2025, hence, the cases for 2024 are applicable for this PSS-1.
Methodology Steady state studies
Power flow study to identify the impact of the SHEP plant on the capacity of the grid system especially across different load areas. The studies will cover the assessment: – Under normal grid condition – Under contingencies where an N – 1 (Category B) contingency sweep across the transmission network (>= 132 kV) will be conducted; and N – 2 (Category C) contingency sweep for the transmission network (>= 132 kV) within the same load area. The different generation output of the plant will also be considered starting with maximum facility output (100%). If issues in the grid system are identified as attributed to the SHEP output then the generation output will be reduced in steps until the output level where it will not impact the grid system is identified. The impact on the grid system thermal capacity, steady state voltage performance and stability as required by the MGC and TSRS will be assessed.
Methodology
Short circuit calculation – Determine the short circuit ratio at the PCC of the SHEP.
– Both the three-phase and single-phase fault will be calculated. This is to ensure that the generators are able to operate at the calculated SCR level. – And to ensure the plant equipment selected are rated appropriately for the required short circuit rating. – Insignificant short circuit current contribution from the plant to the grid system.
Modelling
Steady state – Direct to PMU JMTH132 – Plant based on the presented modelling data
Network around the SHEP PCC
Modelling
Future LSS-3 100 MWac
SHEP
Assessment
Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP
Peak and trough cases ▪ Category A
▪
Check for: • changes in MVA loading above 10 MVA and 10% • changes in voltage magnitude above 0.02 pu • branches thermal overloading • out of limit voltage <1.00 pu and >1.05 pu ▪ Transmission network (>132 kV)
▪ There are expected pre-disturbance MVA loading differences observed: • 132 kV network around the SHEP PCC
▪ No pre-disturbance voltage magnitude difference above 0.02 pu due to SHEP
▪ No pre-disturbance overloading issue due to SHEP
▪ No pre-disturbance out of limit voltage issue due to the SHEP
▪ Comply to the pre-disturbance loading and voltage limit
Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP
Peak case : Circuit with changes in MVA above 10 MVA and above 10%
2022 PEAK WITH LSS
DELTA MW
DELTA MVAR
DELTA MVA
2022 PEAK
Rating
From Bus
To Bus
Ckt
MVA DELTA MW % DELTA MVAR % DELTA MVA %
MVA MW MVAR MVA MW MVAR
-58.8
999.9
4.1
184.3
-50.6
1153.3
97128 [TKAK132 132.00]
97150 [JMTH132 132.00]
1
282
3.8
-2.2
4.4
-55
1.9
55.0
-1.8
7.4
-63.4
3.5
63.5
-70.6
978.6
5.3
291.4
-56.1
755.6
97141 [SGMT132 132.00] 97150 [JMTH132 132.00]
1
282
7.2
-0.6
4.2
-31.2
1.6
31.2
-27
636.1
2.2
377.3
-27.0
636.4
96405 [MCOP132 132.00] 97128 [TKAK132 132.00]
1
282
-4.2
96127 [COVESS132 132.00] 96158 [PROI132 132.00]
1
282
6.8
3.2
7.5
22.8
2.1
22.9
16
236.2
-1.1
33.6
-15.4
204.7
27.0
0.7
-3.5
3.6
-25.8
97.2
1.6
31.1
23.4
86.8
97117 [TKID132 132.00]
97128 [TKAK132 132.00]
1
282 26.5
-5.1
-0.2
36.7
15.9
76.7
-1.1
117.6
-16.0
77.1
1
282 20.7
1
20.7
36.7
96157 [CPRKSS132 132.00] 96158 [PROI132 132.00]
23.1
25.7
64.3
282 39.8
-4.5
40.1
13.9
-3.4
14.3
-25.9
65
1
96109 [JSIN132 132.00]
97117 [TKID132 132.00]
1
36.1
12.7
59.8
282 20.6
5
21.2
-5
6.9
8.5
-25.6
124.3
1.8
96105 [AKRH132 132.00]
96114 [JSINLSS 132.00]
1
53.9
29.6
40.5
-21
45.6
18.9
87.4
-0.7
3.7
-16.0
96136 [PBSR132 132.00]
96137 [KPLH132 132.00]
1
282 21.6 -20.3
-16.2
69.6
0.8
7.8
13.4
52.3
1
282 23.2 -10.7
25.5
7.1
-9.9
12.2
96127 [COVESS132 132.00] 96137 [KPLH132 132.00]
-0.9
578.4
18.7
42.4
1
282 -44.1
0.2
44.1
-25.4
-0.7
25.4
18.7
42.4
96105 [AKRH132 132.00]
196199 [ONST-T 132.00]
-60.6 20.1
63.8
-18.9
45.2
0.7
3.9
-17.8
38.7
96136 [PBSR132 132.00]
96140 [GMAS132 132.00]
1
282 -41.8 19.3
46.0
44.7
25.9
36.7
-1
121.1
25.9
36.6
96114 [JSINLSS 132.00]
1
282 -70.6
-0.9
70.6
-44.7
-1.9
96109 [JSIN132 132.00]
60.5
34.2
36.3
-1.2
22.5
34.0
36.0
96113 [UPSR132 132.00]
1
282 -94.3
-5.5
94.5
-60.1
-6.7
96105 [AKRH132 132.00]
96113 [UPSR132 132.00]
196199 [ONST-T 132.00]
2
282 52.2
2.5
52.3
33.5
3
33.6
-18.7
35.9
0.5
21.7
18.6
35.6
80.8
-50.7 21.4
55.0
25.6
33.5
-5.3
19.8
25.8
31.9
97141 [SGMT132 132.00] 97182 [BSPT132 132.00]
2
234 -76.3 26.7
-5.4
71.5
-27.2
27.6
0.3
5.3
27.3
27.6
96105 [AKRH132 132.00]
96405 [MCOP132 132.00]
1
282 98.6
-5.7
98.8
71.3
96140 [GMAS132 132.00] 97141 [SGMT132 132.00]
1
282 -66.8
12
67.9
-85.7 12.4
86.6
-18.9
28.3
0.4
3.3
-18.7
27.6
-13.1
27.6
97141 [SGMT132 132.00]
1
282 -44.7 16.2
47.5
-58.2 17.1
60.7
-13.5
30.1
0.9
5.3
96138 [BAHA132 132.00]
18.2
26.5
97141 [SGMT132 132.00] 197174 [BKPG-T 132.00]
1
234 -68.5
6.6
68.8
-50.4
4.3
50.6
18.2
26.5
-2.3
35.1
10.8
21.1
24.1
197174 [BKPG-T 132.00]
1
234 86.8
-9.8
87.4
65.7
-8.7
66.3
-21.1
24.3
1.1
97148 [CAAH132 132.00]
9.6
90.8
25.6
22.1
-4.7
32.9
26.1
22.3
97182 [BSPT132 132.00]
297174 [BKPG-T2 132.00]
2
234 -116
14.4
116.9 -90.3
2
234 106.9
-6
107.1
83.1
-6.4
83.3
-23.8
22.3
-0.4
6.6
23.7
22.2
97133 [YGPN132 132.00]
297174 [BKPG-T2 132.00]
103
-4.7
103.1
81.6
-5.1
81.8
-21.4
20.8
-0.4
9.5
21.3
20.7
97133 [YGPN132 132.00]
97148 [CAAH132 132.00]
1
234
12.4
11.7
96203 [UPSR275 275.00]
T1
240 -105.7 -0.6
105.7 -93.3
-0.6
93.3
12.5
11.8
0
3.6
96113 [UPSR132 132.00]
11.7
96113 [UPSR132 132.00]
96203 [UPSR275 275.00]
T2
240 -105.7 -0.6
105.7 -93.3
-0.6
93.3
12.5
11.8
0
3.6
12.4
Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP
Trough case : Circuit with changes in MVA above 10 MVA and above 10%
Rating
2022 LIGHT
2022 LIGHT WITH LSS
DELTA MW
DELTA MVAR
DELTA MVA
From Bus
To Bus
Ckt
MVA MW MVAR MVA MW MVAR
MVA DELTA MW % DELTA MVAR % DELTA MVA %
97128 [TKAK132 132.00]
97150 [JMTH132 132.00]
1
282
0
-1
1.0
-58.8
3.9
58.9
-58.9
999.9
4.9
511.8
-57.9
5792.9
97141 [SGMT132 132.00] 97150 [JMTH132 132.00]
1
282
7.1
-4.7
8.5
-63.5
1.5
63.5
-70.6
999.6
6.3
132.3
-55.0
646.0
96405 [MCOP132 132.00] 97128 [TKAK132 132.00]
1
282
-2.6
-3.6
4.4
-29.5
-1.1
29.5
-27
999.9
2.5
68.5
-25.1
564.8
96136 [PBSR132 132.00]
96137 [KPLH132 132.00]
1
282
6.3
0.1
6.3
24.7
-1.3
24.7
18.4
293
-1.4
999.9
-18.4
292.6
96136 [PBSR132 132.00]
96140 [GMAS132 132.00]
1
282 -21.4
4.2
21.8
-39.8
5.6
40.2
-18.4
86.3
1.4
33.2
-18.4
84.3
96109 [JSIN132 132.00]
96114 [JSINLSS 132.00]
1
282 -35.4
6.9
36.1
-9.6
4.9
10.8
25.8
72.9
-2
29.1
25.3
70.1
96105 [AKRH132 132.00]
96114 [JSINLSS 132.00]
1
282 35.5
-7.8
36.3
9.6
-6
11.3
-25.9
73
1.7
22.2
25.0
68.9
96137 [KPLH132 132.00]
96157 [CPRKSS132 132.00]
1
282 -15.4
6.7
16.8
0.3
5.4
5.4
15.7
101.9
-1.4
20.4
-11.4
67.8
96127 [COVESS132 132.00] 96137 [KPLH132 132.00]
1
282 15.5
-7.8
17.4
-0.3
-6.5
6.5
-15.7
101.9
1.3
16.9
10.8
62.5
96127 [COVESS132 132.00] 96158 [PROI132 132.00]
1
282 -15.5
7.8
17.4
0.3
6.5
6.5
15.7
101.9
-1.3
16.9
10.8
62.5
96157 [CPRKSS132 132.00] 96158 [PROI132 132.00]
1
282 -15.5
8.7
17.8
0.3
7.5
7.5
15.8
101.8
-1.3
14.4
10.3
57.8
96138 [BAHA132 132.00]
97141 [SGMT132 132.00]
1
282 -23.7
-0.2
23.7
-36.8
0.9
36.8
-13.1
55.2
1.1
506.6
-13.1
55.3
96109 [JSIN132 132.00]
97117 [TKID132 132.00]
1
282
18
-5.2
18.7
-7.8
-3.2
8.4
-25.8
143.4
2
38.5
10.3
55.0
96105 [AKRH132 132.00]
196199 [ONST-T 132.00]
1
282 -34.2
-0.1
34.2
-15.4
-1.4
15.5
18.7
54.8
-1.3
999.9
18.7
54.8
97141 [SGMT132 132.00] 97182 [BSPT132 132.00]
2
234 -47.2 16.1
49.9
-21.1 11.5
24.0
26.2
55.4
-4.6
28.7
25.8
51.8
96105 [AKRH132 132.00]
96113 [UPSR132 132.00]
1
282 -67.9 14.5
69.4
-33.6 12.5
35.8
34.3
50.5
-2
14
33.6
48.4
96140 [GMAS132 132.00] 97141 [SGMT132 132.00]
1
282 -38.6
2.5
38.7
-57.1
3.7
57.2
-18.5
47.9
1.2
46.8
-18.5
47.9
96113 [UPSR132 132.00]
196199 [ONST-T 132.00]
2
282 37.3
-9.4
38.5
18.5
-8.3
20.3
-18.8
50.4
1.1
11.7
18.2
47.3
96105 [AKRH132 132.00]
96405 [MCOP132 132.00]
1
282 57.1
-8.5
57.7
30
-6.8
30.8
-27.1
47.5
1.6
19.3
27.0
46.7
97141 [SGMT132 132.00] 197174 [BKPG-T 132.00]
1
234 -41.9
3.6
42.1
-23.4
1.8
23.5
18.5
44.2
-1.8
50.1
18.6
44.2
97148 [CAAH132 132.00]
197174 [BKPG-T 132.00]
1
234
53
-9.8
53.9
31.6
-8.2
32.6
-21.4
40.4
1.6
16.6
21.3
39.4
97182 [BSPT132 132.00]
297174 [BKPG-T2 132.00]
2
234 -70.9 10.3
71.6
-44.7
6
45.1
26.2
36.9
-4.3
42.1
26.5
37.0
Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP
No overloading observed
Check at 80% loading above shows that SHEP does not contribute to increase in loading on the heavy loading lines
Peak case loading above 80%
Peak case with SHEP loading above 80%
SUBSYSTEM LOADING CHECK (INCLUDED: LINES; BREAKERS AND SWITCHES; TRANSFORMERS) (EXCLUDED: NONE) LOADINGS ABOVE 80.0 % OF RATING SET A (MVA FOR TRANSFORMERS, CURRENT FOR NON-TRANSFORMER BRANCHES):
SUBSYSTEM LOADING CHECK (INCLUDED: LINES; BREAKERS AND SWITCHES; TRANSFORMERS) (EXCLUDED: NONE) LOADINGS ABOVE 80.0 % OF RATING SET A (MVA FOR TRANSFORMERS, CURRENT FOR NON-TRANSFORMER BRANCHES):
X--------- FROM BUS ----------X X---------- TO BUS -----------X BUS# X-- NAME --X BASKV AREA BUS# X-- NAME --X BASKV AREA CKT LOADING RATING PERCENT 51078 BCHG132 132.00* 13 51900 BCHG_LSS 33.000 13 1 51.6 60.0 86.1 55005 JMAH500 500.00* 14 59036 JMAH_U1 20.000 14 1 642.1 750.0 85.6 55005 JMAH500 500.00* 14 59037 JMAH_U2 20.000 14 1 642.1 750.0 85.6 55006 JMAE500 500.00* 14 59043 JMHE_U1 26.000 13 1 986.6 1200.0 82.2 55006 JMAE500 500.00* 14 59044 JMHE_U2 26.000 13 1 982.7 1200.0 81.9 61116 GRNE132 132.00* 11 61909 GRUN_LSS 33.000 11 1 51.8 60.0 86.3 61122 KKTL132 132.00* 11 61908 KKTL_LSS 33.000 11 1 51.8 60.0 86.3 63125 SIHY132 132.00* 10 63915 SIHY_U1 11.000 10 U1 45.7 55.0 83.0 63125 SIHY132 132.00* 10 63916 SIHY_U2 11.000 10 U2 45.7 55.0 83.0 63159 MDYASS132 132.00* 10 63945 SSPT_LSS 33.000 10 1 50.5 60.0 84.1 63206 TMGR275 275.00* 10 63906 TMGR_U3 13.800 10 U3 87.1 105.0 82.9 63505 JMJG500 500.00* 10 63941 JMJG_U5 27.000 10 1 986.6 1167.0 84.5 74143 MECC132 132.00* 12 74900 MECC_LSS 33.000 12 1 51.8 60.0 86.4 75110 MRCGSS132 132.00* 12 75910 MRCG_LSS 33.000 12 1 51.2 60.0 85.3 75202 KNYR275 275.00* 12 75921 KNYR_U2 13.800 12 U2 92.6 112.0 82.6 96114 JSINLSS 132.00* 14 96926 JSIN_LSS 33.000 14 1 50.2 60.0 83.7 96176 CMBG132 132.00* 14 96900 CMBG_LSS 33.000 14 1 50.6 60.0 84.4 97235 PGPN275 275.00 14 97937 SIPP_GT1 15.000* 14 1 686.3 800.0 85.8 97235 PGPN275 275.00 14 97938 SIPP_GT2 15.000* 14 1 686.3 800.0 85.8
X--------- FROM BUS ----------X X---------- TO BUS -----------X BUS# X-- NAME --X BASKV AREA BUS# X-- NAME --X BASKV AREA CKT LOADING RATING PERCENT 51078 BCHG132 132.00* 13 51900 BCHG_LSS 33.000 13 1 51.4 60.0 85.6 55005 JMAH500 500.00* 14 59036 JMAH_U1 20.000 14 1 638.3 750.0 85.1 55005 JMAH500 500.00* 14 59037 JMAH_U2 20.000 14 1 638.3 750.0 85.1 55006 JMAE500 500.00* 14 59043 JMHE_U1 26.000 13 1 980.8 1200.0 81.7 55006 JMAE500 500.00* 14 59044 JMHE_U2 26.000 13 1 976.8 1200.0 81.4 61116 GRNE132 132.00* 11 61909 GRUN_LSS 33.000 11 1 51.5 60.0 85.8 61122 KKTL132 132.00* 11 61908 KKTL_LSS 33.000 11 1 51.4 60.0 85.7 63125 SIHY132 132.00* 10 63915 SIHY_U1 11.000 10 U1 45.4 55.0 82.5 63125 SIHY132 132.00* 10 63916 SIHY_U2 11.000 10 U2 45.4 55.0 82.5 63159 MDYASS132 132.00* 10 63945 SSPT_LSS 33.000 10 1 50.2 60.0 83.6 63206 TMGR275 275.00* 10 63906 TMGR_U3 13.800 10 U3 86.6 105.0 82.5 63505 JMJG500 500.00* 10 63941 JMJG_U5 27.000 10 1 980.7 1167.0 84.0 74143 MECC132 132.00* 12 74900 MECC_LSS 33.000 12 1 51.5 60.0 85.9 75110 MRCGSS132 132.00* 12 75910 MRCG_LSS 33.000 12 1 50.9 60.0 84.8 75202 KNYR275 275.00* 12 75921 KNYR_U2 13.800 12 U2 92.0 112.0 82.2 96114 JSINLSS 132.00* 14 96926 JSIN_LSS 33.000 14 1 50.0 60.0 83.4 96176 CMBG132 132.00* 14 96900 CMBG_LSS 33.000 14 1 50.3 60.0 83.9 97235 PGPN275 275.00 14 97937 SIPP_GT1 15.000* 14 1 681.9 800.0 85.2 97235 PGPN275 275.00 14 97938 SIPP_GT2 15.000* 14 1 681.9 800.0 85.2
Trough case loading above 80%
Trough case with SHEP loading above 80%
SUBSYSTEM LOADING CHECK (INCLUDED: LINES; BREAKERS AND SWITCHES; TRANSFORMERS) (EXCLUDED: NONE) LOADINGS ABOVE 80.0 % OF RATING SET A (MVA FOR TRANSFORMERS, CURRENT FOR NON-TRANSFORMER BRANCHES):
SUBSYSTEM LOADING CHECK (INCLUDED: LINES; BREAKERS AND SWITCHES; TRANSFORMERS) (EXCLUDED: NONE) LOADINGS ABOVE 80.0 % OF RATING SET A (MVA FOR TRANSFORMERS, CURRENT FOR NON-TRANSFORMER BRANCHES):
X--------- FROM BUS ----------X X---------- TO BUS -----------X BUS# X-- NAME --X BASKV AREA BUS# X-- NAME --X BASKV AREA CKT LOADING RATING PERCENT 55005 JMAH500 500.00* 14 59037 JMAH_U2 20.000 14 1 604.8 750.0 80.6 59014 PKLG_U4 20.000 13 552003 PKLG275B 275.00* 13 U4 283.2 353.0 80.2 63126 SYPS132 132.00* 10 63913 SYPS_U3 11.000 10 U3 23.5 27.0 87.0 63139 LPIA132 132.00* 10 63920 LPIA_U1 11.000 10 U1 24.7 30.0 82.3 75202 KNYR275 275.00* 12 75923 KNYR_U4 13.800 12 U4 103.0 112.0 92.0 97235 PGPN275 275.00* 14 97937 SIPP_GT1 15.000 14 1 670.0 800.0 83.8
X--------- FROM BUS ----------X X---------- TO BUS -----------X BUS# X-- NAME --X BASKV AREA BUS# X-- NAME --X BASKV AREA CKT LOADING RATING PERCENT 55005 JMAH500 500.00* 14 59037 JMAH_U2 20.000 14 1 611.3 750.0 81.5 59014 PKLG_U4 20.000 13 552003 PKLG275B 275.00* 13 U4 286.2 353.0 81.1 63126 SYPS132 132.00* 10 63913 SYPS_U3 11.000 10 U3 23.7 27.0 87.8 63139 LPIA132 132.00* 10 63920 LPIA_U1 11.000 10 U1 24.9 30.0 83.1 75202 KNYR275 275.00* 12 75923 KNYR_U4 13.800 12 U4 104.1 112.0 92.9 97235 PGPN275 275.00* 14 97937 SIPP_GT1 15.000 14 1 677.2 800.0 84.7
Test 1a, b and 2 – Pre-disturbance loading and voltage limits with SHEP
Voltage two buses from the SHEP PCC within acceptable range
2024 Trough with SHEP
2024 Peak with SHEP
2024 Peak
2024 Trough
Two buses from SHEP PCC
Voltage (pu)
96105 [AKRH132 132.00] 1.0157 1.01817 1.0238 1.02546 96109 [JSIN132 132.00] 1.0133 1.01639 1.02419 1.0264 96136 [PBSR132 132.00] 1.0155 1.01784 1.0221 1.02406 96137 [KPLH132 132.00] 1.0233 1.02458 1.02086 1.02204 96138 [BAHA132 132.00] 1.0253 1.02723 1.02154 1.02319 96140 [GMAS132 132.00] 1.013 1.01592 1.02189 1.02421 96151 [NSCI132 132.00] 1.0242 1.02622 1.02131 1.02296 96405 [MCOP132 132.00] 1.0122 1.01584 1.02328 1.02581 97117 [TKID132 132.00] 1.0122 1.01645 1.02467 1.02775 97128 [TKAK132 132.00] 1.0122 1.0172 1.02468 1.02839 97141 [SGMT132 132.00] 1.0126 1.01727 1.02342 1.0269 97150 [JMTH132 132.00] 1.0123 1.02059 1.02453 1.03108 97182 [BSPT132 132.00] 1.0105 1.01529 1.02215 1.02565 197174 [BKPG-T 132.00] 1.0144 1.01861 1.02442 1.02736 297174 [BKPG-T2 132.00] 1.0129 1.0172 1.02358 1.02655
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
Peak and trough case ▪ Category B (N – 1) and C (N – 2 and double) contingencies scan in steady state
▪
Cat B observations: • Peak case – thermal overloads observed but violations (around the KTBR275 and PMJY275) not due to SHEP • Trough case no thermal overloads • Voltage band and range violations observed but these are not due to SHEP Cat C observations: • No thermal overloading observed on lines connected to PMU two buses away from the PCC (both peak and trough) • There are multiple thermal and voltage violations for N-2 of parallel lines in other parts of the network; but these are not due to SHEP
▪
▪ Comply to the pre-disturbance loading and voltage limits under normal operation
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
CatB – Peak case violations observed ▪ Thermal overloads around KTBR275 and PMJY275
| | ELQ_2024 | ELQ_2024 | | | _Peak_Ca | _Peak_Ca |
▪ All violations observed without the SHEP; hence, not caused by SHEP
X--- MONITORED ELEMENT ----X | X---LABEL--X | tB_wo_LS | tB_with_ | -----------------------------|--------------|----------|----------| 97207 KTBR275 275.00 | SINGL1 1589 | 105.7% | 104.8% | 97208 PMJY275 275.00 1 | | 722MVA | 716MVA | -----------------------------|--------------|----------|----------| 97207 KTBR275 275.00 | SINGL1 1588 | 105.7% | 104.8% | 97208 PMJY275 275.00 2 | | 722MVA | 716MVA | -----------------------------|--------------|----------|----------| 97244 PCGP275 275.00 | SINGL1 1614 | 103.2% | 102.6% | 97245 PGRG275 275.00 1 | | 774MVA | 770MVA | -----------------------------|--------------|----------|----------| 97244 PCGP275 275.00 | SINGL1 1613 | 103.2% | 102.6% | 97245 PGRG275 275.00 2 | | 774MVA | 770MVA | -----------------------------|--------------|----------|----------|
CONTINGENCY LEGEND: X--LABEL---X EVENTS
SINGL1 1588 : OPEN LINE FROM BUS 97207 [KTBR275 275.00] TO BUS 97208 [PMJY275 275.00] CKT 1 SINGL1 1589 : OPEN LINE FROM BUS 97207 [KTBR275 275.00] TO BUS 97208 [PMJY275 275.00] CKT 2 SINGL1 1613 : OPEN LINE FROM BUS 97244 [PCGP275 275.00] TO BUS 97245 [PGRG275 275.00] CKT 1 SINGL1 1614 : OPEN LINE FROM BUS 97244 [PCGP275 275.00] TO BUS 97245 [PGRG275 275.00] CKT 2
▪ Voltage range violations
| | ELQ_2024 | ELQ_2024 | | | _Peak_Ca | _Peak_Ca |
| | ELQ_2024 | ELQ_2024 | | | _Peak_Ca | _Peak_Ca |
X--------- BUS ---------X | X---LABEL--X | tB_wo_LS | tB_with_ | --------------------------|--------------|----------|----------| 74212 UJLI275 275.00 | UNIT 74912 | 1.05113 | 1.05119 | --------------------------|--------------|----------|----------| 74213 NGRI275 275.00 | UNIT 74912 | 1.05173 | 1.05174 | --------------------------|--------------|----------|----------|
X--------- BUS ---------X | X---LABEL--X | tB_wo_LS | tB_with_ | --------------------------|--------------|----------|----------| 97102 BKRI132 132.00 | SINGL1 1386 | 0.94580 | 0.94823 | --------------------------|--------------|----------|----------| 97181 PSLG132 132.00 | SINGL1 1386 | 0.93995 | 0.94240 | --------------------------|--------------|----------|----------|
▪ Voltage step violations
| | ELQ_2024 | ELQ_2024 | | | _Peak_Ca | _Peak_Ca |
X--------- BUS ---------X | X---LABEL--X | tB_wo_LS | tB_with_ | --------------------------|--------------|----------|----------| 97102 BKRI132 132.00 | SINGL1 1386 | 0.94580 | 0.94823 | --------------------------|--------------|----------|----------| 97181 PSLG132 132.00 | SINGL1 1386 | 0.93995 | 0.94240 | --------------------------|--------------|----------|----------|
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
CatB – Available capacity ▪ Available capacity on lines surrounding SHEP following worst contingencies ▪ Observed to have sufficient margin in both peak and trough case ▪ Peak with SHEP
<------- F R O M -------> <--------- T O --------->CKT CONTINGENCY OTHERS BASE MAXIMUM IMPACT RATING PERCENT AVAILABLE 97182 BSPT132 132.00 297174 BKPG-T2 132.00 2 SINGLE 16 0 91.1 127.5 127.5 234.0 54.5 106.5 97141 SGMT132 132.00 197174 BKPG-T 132.00 1 SINGLE 17 0 50.8 109.2 109.2 234.0 46.7 124.8 96138 BAHA132 132.00 96151 NSCI132 132.00 2 SINGLE 6 0 6.5 13.1 13.1 141.0 9.3 127. 9 96138 BAHA132 132.00 96151 NSCI132 132.00 1 SINGLE 7 0 6.5 13.1 13.1 141.0 9.3 127. 9 97141 SGMT132 132.00 97182 BSPT132 132.00 2 SINGLE 16 0 55.3 90.9 90.9 234.0 38.8 143. 1 97141 SGMT132 132.00 97150 JMTH132 132.00 1 SINGLE 13 0 63.9 119.2 119.2 282.0 42.3 162. 8 97128 TKAK132 132.00 97150 JMTH132 132.00 1 SINGLE 14 0 55.4 119.2 119.2 282.0 42.3 162. 8 96140 GMAS132 132.00 97141 SGMT132 132.00 1 SINGLE 8 0 87.1 112.0 112.0 282.0 39.7 170. 0 96405 MCOP132 132.00 97128 TKAK132 132.00 1 SINGLE 1 0 31.5 103.2 103.2 282.0 36.6 178. 8 96105 AKRH132 132.00 96405 MCOP132 132.00 1 SINGLE 10 0 71.5 103.0 103.0 282.0 36.5 179. 0 96138 BAHA132 132.00 97141 SGMT132 132.00 1 SINGLE 9 0 61.7 90.5 90.5 282.0 32.1 191. 5 96136 PBSR132 132.00 96140 GMAS132 132.00 1 SINGLE 8 0 64.1 89.2 89.2 282.0 31.6 192.8 96136 PBSR132 132.00 96137 KPLH132 132.00 1 SINGLE 8 0 45.6 70.5 70.5 282.0 25.0 211. 5 96137 KPLH132 132.00 96138 BAHA132 132.00 1 SINGLE 8 0 10.5 53.9 53.9 282.0 19.1 228. 1 96109 JSIN132 132.00 97117 TKID132 132.00 1 SINGLE 1 0 14.4 53.5 53.5 282.0 19.0 228. 5 97128 TKAK132 132.00 97141 SGMT132 132.00 2 SINGLE 14 0 4.9 41.3 41.3 282.0 14.7 240. 7 97117 TKID132 132.00 97128 TKAK132 132.00 1 SINGLE 1 0 3.6 40.3 40.3 282.0 14.3 241. 7
CONTINGENCY LEGEND: LABEL EVENTS
SINGLE 1 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 SINGLE 6 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 1 SINGLE 7 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 2 SINGLE 8 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 9 : OPEN LINE FROM BUS 96140 [GMAS132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 10 : OPEN LINE FROM BUS 96405 [MCOP132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 SINGLE 13 : OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 14 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 16 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 197174 [BKPG-T 132.00] CKT 1 SINGLE 17 : OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
CatB – Available capacity ▪ Trough with SHEP
<------- F R O M -------> <--------- T O --------->CKT CONTINGENCY OTHERS BASE MAXIMUM IMPACT RATING PERCENT AVAILABLE 96138 BAHA132 132.00 96151 NSCI132 132.00 2 SINGLE 6 0 3.4 6.9 6.9 141.0 4.9 134. 1 96138 BAHA132 132.00 96151 NSCI132 132.00 1 SINGLE 7 0 3.4 6.9 6.9 141.0 4.9 134. 1 97141 SGMT132 132.00 97150 JMTH132 132.00 1 SINGLE 13 0 63.9 123.1 123.1 282.0 43.6 158. 9 97128 TKAK132 132.00 97150 JMTH132 132.00 1 SINGLE 14 0 59.3 123.1 123.1 282.0 43.6 158.9 97182 BSPT132 132.00 297174 BKPG-T2 132.00 2 UNIT 97150 0 45.3 64.9 64.9 234.0 27.7 169.1 97141 SGMT132 132.00 197174 BKPG-T 132.00 1 SINGLE 17 0 23.7 52.7 52.7 234.0 22.5 181.3 97141 SGMT132 132.00 97182 BSPT132 132.00 2 UNIT 97150 0 24.4 43.1 43.1 234.0 18.4 190. 9 96140 GMAS132 132.00 97141 SGMT132 132.00 1 SINGLE 8 0 57.5 73.0 73.0 282.0 25.9 209. 0 96405 MCOP132 132.00 97128 TKAK132 132.00 1 SINGLE 1 0 29.6 60.0 60.0 282.0 21.3 222. 0 96105 AKRH132 132.00 96405 MCOP132 132.00 1 SINGLE 10 0 30.8 59.9 59.9 282.0 21.2 222. 1 96138 BAHA132 132.00 97141 SGMT132 132.00 1 SINGLE 9 0 37.4 56.8 56.8 282.0 20.1 225. 2 96136 PBSR132 132.00 96140 GMAS132 132.00 1 SINGLE 8 0 40.3 55.8 55.8 282.0 19.8 226. 2 96136 PBSR132 132.00 96137 KPLH132 132.00 1 SINGLE 8 0 24.8 40.2 40.2 282.0 14.2 241. 8 97128 TKAK132 132.00 97141 SGMT132 132.00 2 SINGLE 14 0 4.1 38.9 38.9 282.0 13.8 243.1 97117 TKID132 132.00 97128 TKAK132 132.00 1 SINGLE 10 0 14.8 31.2 31.2 282.0 11.1 250. 8 96137 KPLH132 132.00 96138 BAHA132 132.00 1 SINGLE 8 0 8.2 29.1 29.1 282.0 10.3 252. 9 96109 JSIN132 132.00 97117 TKID132 132.00 1 SINGLE 10 0 8.5 24.3 24.3 282.0 8.6 257. 7
CONTINGENCY LEGEND: LABEL EVENTS
SINGLE 1 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 SINGLE 6 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 1 SINGLE 7 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 2 SINGLE 8 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 9 : OPEN LINE FROM BUS 96140 [GMAS132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 SINGLE 10 : OPEN LINE FROM BUS 96405 [MCOP132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 SINGLE 13 : OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 14 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 SINGLE 17 : OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2 UNIT 97150 : REMOVE UNIT LS FROM BUS 97150 [JMTH132 132.00]
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
CatC – Available capacity ▪ Available capacity on lines surrounding SHEP following worst contingencies (performed with SHEP) ▪ Observed to have sufficient margin in both peak and trough case ▪ Peak with SHEP
<------- F R O M -------> <--------- T O --------->CKT CONTINGENCY OTHERS BASE MAXIMUM IMPACT RATING PERCENT AVAILABLE 97182 BSPT132 132.00 297174 BKPG-T2 132.00 2 DOUBLE 15 0 91.1 145.5 145.5 234.0 62.2 88.5 97141 SGMT132 132.00 197174 BKPG-T 132.00 1 DOUBLE 16 0 50.8 126.2 126.2 234.0 54.0 107.8 97141 SGMT132 132.00 97182 BSPT132 132.00 2 DOUBLE 15 0 55.3 108.3 108.3 234.0 46.3 125.7 96138 BAHA132 132.00 96151 NSCI132 132.00 2 DOUBLE 5 14 6.5 13.1 13.1 141.0 9.3 127.9 96138 BAHA132 132.00 96151 NSCI132 132.00 1 DOUBLE 6 14 6.5 13.1 13.1 141.0 9.3 127.9 96140 GMAS132 132.00 97141 SGMT132 132.00 1 DOUBLE 96 0 87.1 119.7 119.7 282.0 42.4 162.3 97141 SGMT132 132.00 97150 JMTH132 132.00 1 DOUBLE 12 14 63.9 119.2 119.2 282.0 42.3 162.8 97128 TKAK132 132.00 97150 JMTH132 132.00 1 DOUBLE 13 14 55.4 119.2 119.2 282.0 42.3 162.8 96105 AKRH132 132.00 96405 MCOP132 132.00 1 DOUBLE 136 0 71.5 107.5 107.5 282.0 38.1 174.5 96405 MCOP132 132.00 97128 TKAK132 132.00 1 DOUBLE 1 14 31.5 103.2 103.2 282.0 36.6 178.8 96138 BAHA132 132.00 97141 SGMT132 132.00 1 DOUBLE 104 0 61.7 97.1 97.1 282.0 34.4 184.9 96136 PBSR132 132.00 96140 GMAS132 132.00 1 DOUBLE 96 0 64.1 96.8 96.8 282.0 34.3 185.2 96136 PBSR132 132.00 96137 KPLH132 132.00 1 DOUBLE 96 0 45.6 78.1 78.1 282.0 27.7 203.9 96109 JSIN132 132.00 97117 TKID132 132.00 1 DOUBLE 12 0 14.4 77.2 77.2 282.0 27.4 204.8 97117 TKID132 132.00 97128 TKAK132 132.00 1 DOUBLE 12 0 3.6 63.7 63.7 282.0 22.6 218.3 97128 TKAK132 132.00 97141 SGMT132 132.00 2 DOUBLE 12 0 4.9 60.7 60.7 282.0 21.5 221.3 96137 KPLH132 132.00 96138 BAHA132 132.00 1 DOUBLE 36 0 10.5 54.1 54.1 282.0 19.2 227.9
CONTINGENCY LEGEND: LABEL EVENTS DOUBLE 1 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 96109 [JSIN132 132.00] TO BUS 97117 [TKID132 132.00] CKT 1 DOUBLE 5 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 1 DOUBLE 6 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 2 DOUBLE 12 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 13 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 15 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 197174 [BKPG-T 132.00] CKT 1 DOUBLE 16 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2 DOUBLE 36 : OPEN LINE FROM BUS 96136 [PBSR132 132.00] TO BUS 96137 [KPLH132 132.00] CKT 1 OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 DOUBLE 96 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 104 : OPEN LINE FROM BUS 96140 [GMAS132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 136 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 197174 [BKPG-T 132.00] CKT 1 OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2
Test 1c and 3 – Post-disturbance loading and voltage limits with SHEP
CatC – Available capacity ▪ Trough with SHEP
<------- F R O M -------> <--------- T O --------->CKT CONTINGENCY OTHERS BASE MAXIMUM IMPACT RATING PERCENT AVAILABLE 96138 BAHA132 132.00 96151 NSCI132 132.00 1 DOUBLE 85 0 3.4 6.9 6.9 141.0 4.9 134.1 96138 BAHA132 132.00 96151 NSCI132 132.00 2 DOUBLE 75 0 3.4 6.9 6.9 141.0 4.9 134.1 97182 BSPT132 132.00 297174 BKPG-T2 132.00 2 DOUBLE 132 0 45.3 76.4 76.4 234.0 32.7 157.6 97141 SGMT132 132.00 97150 JMTH132 132.00 1 DOUBLE 12 14 63.9 123.1 123.1 282.0 43.6 158.9 97128 TKAK132 132.00 97150 JMTH132 132.00 1 DOUBLE 13 14 59.3 123.1 123.1 282.0 43.6 158.9 97141 SGMT132 132.00 197174 BKPG-T 132.00 1 DOUBLE 133 0 23.7 66.0 66.0 234.0 28.2 168.0 97141 SGMT132 132.00 97182 BSPT132 132.00 2 DOUBLE 132 0 24.4 54.2 54.2 234.0 23.2 179.8 96140 GMAS132 132.00 97141 SGMT132 132.00 1 DOUBLE 96 0 57.5 80.8 80.8 282.0 28.7 201.2 96136 PBSR132 132.00 96140 GMAS132 132.00 1 DOUBLE 96 0 40.3 63.5 63.5 282.0 22.5 218.5 96138 BAHA132 132.00 97141 SGMT132 132.00 1 DOUBLE 104 0 37.4 63.4 63.4 282.0 22.5 218.6 96405 MCOP132 132.00 97128 TKAK132 132.00 1 DOUBLE 123 0 29.6 62.9 62.9 282.0 22.3 219.1 96105 AKRH132 132.00 96405 MCOP132 132.00 1 DOUBLE 24 14 30.8 59.9 59.9 282.0 21.2 222.1 97128 TKAK132 132.00 97141 SGMT132 132.00 2 DOUBLE 112 0 4.1 55.3 55.3 282.0 19.6 226.7 97117 TKID132 132.00 97128 TKAK132 132.00 1 DOUBLE 112 0 14.8 54.3 54.3 282.0 19.3 227.7 96136 PBSR132 132.00 96137 KPLH132 132.00 1 DOUBLE 96 0 24.8 47.9 47.9 282.0 17.0 234.1 96109 JSIN132 132.00 97117 TKID132 132.00 1 DOUBLE 112 0 8.5 47.1 47.1 282.0 16.7 234.9 96137 KPLH132 132.00 96138 BAHA132 132.00 1 DOUBLE 104 0 8.2 33.6 33.6 282.0 11.9 248.4
CONTINGENCY LEGEND: LABEL EVENTS DOUBLE 12 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 13 : OPEN LINE FROM BUS 96105 [AKRH132 132.00] TO BUS 96405 [MCOP132 132.00] CKT 1 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 24 : OPEN LINE FROM BUS 96109 [JSIN132 132.00] TO BUS 97117 [TKID132 132.00] CKT 1 OPEN LINE FROM BUS 96405 [MCOP132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 DOUBLE 75 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 1 OPEN LINE FROM BUS 97117 [TKID132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 DOUBLE 85 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 96151 [NSCI132 132.00] CKT 2 OPEN LINE FROM BUS 97117 [TKID132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 DOUBLE 96 : OPEN LINE FROM BUS 96138 [BAHA132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 104 : OPEN LINE FROM BUS 96140 [GMAS132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 1 OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 112 : OPEN LINE FROM BUS 96405 [MCOP132 132.00] TO BUS 97128 [TKAK132 132.00] CKT 1 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 123 : OPEN LINE FROM BUS 97128 [TKAK132 132.00] TO BUS 97141 [SGMT132 132.00] CKT 2 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 DOUBLE 132 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 197174 [BKPG-T 132.00] CKT 1 DOUBLE 133 : OPEN LINE FROM BUS 97141 [SGMT132 132.00] TO BUS 97150 [JMTH132 132.00] CKT 1 OPEN LINE FROM BUS 97182 [BSPT132 132.00] TO BUS 297174 [BKPG-T2 132.00] CKT 2
Test 5 – Power transfer and reactive margin
Peak and trough case ▪ Not expected to be an issue as the SHEP supports the local 132 kV load. ▪ A test on reactive power margin (Q-V) also indicates that the SHEP has no significant impact on the reactive margin (small reduction) ▪ Next slide shows a comparable reactive margin at the JMTH132 bus with and without the SHEP for 2024 Peak
Test 5 – Power transfer and reactive margin Margin at JMTH132 - Peak 2024
Margin at JMTH132 - Peak 2024 with SHEP
Test 8 – SCR and short circuit current limit
▪ Short circuit ratio (SCR) 2024 Peak / trough: ▪ PSSE IEC 60909 method ▪ Maximum MVA with C = 1.1 and network intact ▪ Minimum fault MVA with C = 1.0 and open of JMTH132 to TKAK132 circuit
Minimum fault MVA open JMTH132 to TKAK132
Maximum fault MVA network intact
Bus
Peak
Light
Peak
Light
99999 ELQSS132
2004
1940
1178
1156
99995 ELQGEN0.4
245
244
226
225
▪ SCR between 38 and 67 at the PCC of the 30 MW SHEP ▪ SCR within acceptable range shall not be an issue for synchronous generator
Test 8 – SCR and short circuit current limit
▪ Short circuit current contribution:
▪ SHEP sub-transient reactance of 15% ▪ IEC 60909 method with C = 1.1 ▪ Following table shows the 132 kV two to three buses away from the PCC • No short circuit current issues ▪ Comply to the short circuit requirement
Test 8 – SCR and short circuit current limit
Peak case Trough case
2024 Peak
2024 Peak with SHEP
2024 Trough
2024 Trough with SHEP
Bus No
Bus Name
Bus No
Bus Name
TLG (A)
SLG (A)
TLG (A)
SLG (A)
TLG (A)
SLG (A)
TLG (A)
SLG (A)
96105 [AKRH132 132.00] 96109 [JSIN132 132.00] 96136 [PBSR132 132.00] 96137 [KPLH132 132.00] 96138 [BAHA132 132.00] 96140 [GMAS132 132.00] 96151 [NSCI132 132.00] 96405 [MCOP132 132.00] 97117 [TKID132 132.00] 97128 [TKAK132 132.00] 97141 [SGMT132 132.00] 97150 [JMTH132 132.00] 97182 [BSPT132 132.00]
18468 11231
19252 12542
18676 11369
19327 12599
96105 [AKRH132 132.00] 96109 [JSIN132 132.00] 96136 [PBSR132 132.00] 96137 [KPLH132 132.00] 96138 [BAHA132 132.00] 96140 [GMAS132 132.00] 96151 [NSCI132 132.00] 96405 [MCOP132 132.00] 97117 [TKID132 132.00] 97128 [TKAK132 132.00] 97141 [SGMT132 132.00] 97150 [JMTH132 132.00] 97182 [BSPT132 132.00]
19889 11909
20243 13090
20075 12034
20306 13140
8828
6076
8911
6089
9088
6156
9162
6167
14735
11743
14827
11763
15285
11972
15362
11988
7989 8763 6461
5460 6081 4417
8040 8871 6495
5468 6098 4422
8107 9032 6547
5496 6164 4443
8151 9130 6576
5502 6179 4447
10265
11653
10412
11715
10714
12032
10847
12087
9341
7611 9206
9529
7652 9295
9753
7786 9437
9930
7823 9520
10936 13387
11320 13840
11447 14021
11820 14460
11554
11664
11855
11957
8486
6220
9170
6337
8766
6316
9449
6429
12382 11154 12323
12517
12647 11336 12575
12605
11880 10762 11835
12177
12160 10958 12102
12272
197174 [BKPG-T 132.00] 297174 [BKPG-T2 132.00]
8576
8611
197174 [BKPG-T 132.00] 297174 [BKPG-T2 132.00]
8425
8465
10457
10516
10225
10290
Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54Made with FlippingBook - professional solution for displaying marketing and sales documents online