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Feasibility Study For Northern Maine Connection

June 2001


NOTATION:
[Period] _[Flow in MEPCO line] _[Northern Maine Generation]_[Projet]_ [Northern Maine Load Level]_[contingency id]

[Period]
W02P: Winter 2002, Peak Load
S05P: Summer 2005, Peak Load
S05L: Summer 2005, Light Load

[Flow in MEPCO line]
T1: 700 MW from New Brunswick to NEPOOL
T2: 120 MW from New Brunswick to NEPOOL
T0: 0 MW from New Brunswick to NEPOOL

[Northern Maine Generation]
G1: Northern Maine generation ; 84 MW

[Project]
OP1: AC link between tap on the MEPCO line 345 kV at Haynesville and Mullen 138 kV Northern Maine substation.
OP2: AC link between tap on the MEPCO line 345 kV at Haynesville and Mullen 138 kV Northern Maine substation and upgrade one line from 69 to 138 kV between Mullen and Flo's Inn.
OP3: AC link between Orrington, NEPOOL substation and Flo's Inn 138 kV Northern Maine substation.
WOT: Currently network (without tap)

[Northern Maine Load Level]
NMPL: Northern Maine, Peak Load ; 129 MW.
NMLL: Northern Maine, Light Load ; 50 MW.
NMFL: Northern Maine, Extreme Future Load ; 200 MW.

[contingency id]
This prefix denotes the type of contingencies applied.



LOADFLOW RESULTS

Current Network
Contingency Tripped Element
C2 Remove transformer 138/69 kV at Flo’s Inn [S05P_T1_G1_WOT_NMFL_C2]


Option 1; Project Haynesville-Mullen Tap
A) W02P_T1_G1_OP1_NMPL
Contingency Tripped Element
C2 Open 69 kV line between Easton and Flo's Inn [W02P_T1_G1_OP1_NMPL_C2]
C3 Open 69 kV line between Easton and Bridgewater [W02P_T1_G1_OP1_NMPL_C3]
C4 Open 69 kV line between Mullen and Monticello [W02P_T1_G1_OP1_NMPL_C4]
C8 Open 69 kV line between Bridgewater and Monticello [W02P_T1_G1_OP1_NMPL_C8]
C9 Open 69 kV line, 6910 [W02P_T1_G1_OP1_NMPL_C9]
C10 Remove Wheelabrator generator [W02P_T1_G1_OP1_NMPL_C10]
C11 Open 345 kV line between Edmundston and St-André [W02P_T1_G1_OP1_NMPL_C11]
C12 Open 345 kV line between St-André and Keswick [W02P_T1_G1_OP1_NMPL_C12]
C14 Open 69 kV lines, 6910 and 6920 [W02P_T1_G1_OP1_NMPL_C14]

B) W02P_T2_G1_OP1_NMPL
Contingency Tripped Element
C4 Remove Wheelabrator generator [W02P_T2_G1_OP1_NMPL_C4]
C5 Open 345 kV line between Keswick and Haynesville [W02P_T2_G1_OP1_NMPL_C5]

C) S05L_T1_G1_OP1_NMLL
Contingency Tripped Element
C2 Open 69 kV line between Easton and Flo's Inn [S05L_T1_G1_OP1_NMLL_C2]
C3 Open 69 kV line between Easton and Bridgewater [S05L_T1_G1_OP1_NMLL_C3]
C4 Open 69 kV line between Mullen and McCaine [S05L_T1_G1_OP1_NMLL_C4]
C5 Open 69 kV line between Mullen and Mars Hill [S05L_T1_G1_OP1_NMLL_C5]
C6 Open 69 kV line between Mullen and Monticello [S05L_T1_G1_OP1_NMLL_C6]
C7 Remove transformer 69/138 kV at Mullen [S05L_T1_G1_OP1_NMLL_C7]
C11 Open 69 kV line between McCaine and Mars Hill [S05L_T1_G1_OP1_NMLL_C11]
C12 Open 69 kV line between Bridgewater and Monticello [S05L_T1_G1_OP1_NMLL_C12]
C13 Open 138 kV line between Mullen and Haynesville [S05L_T1_G1_OP1_NMLL_C13]
C14 Remove transformer 345/138 kV at Haynesville [S05L_T1_G1_OP1_NMLL_C14]
C15 Open 69 kV line, 6910 [S05L_T1_G1_OP1_NMLL_C15]
C16 Open 69 kV line, 6920 [S05L_T1_G1_OP1_NMLL_C16]
C17 Remove Wheelabrator generator [S05L_T1_G1_OP1_NMLL_C17]
C18 Open 345 kV line between Edmundston and St-André [S05L_T1_G1_OP1_NMLL_C18]

D) S05L_T2_G1_OP1_NMLL
Contingency Tripped Element
C5 Open 345 kV line between Keswick and Haynesville [S05L_T2_G1_OP1_NMLL_C5]

E) S05P_T1_G1_OP1_NMFL
Contingency Tripped Element
C2 Open 69 kV line between AVEC and Interfair tap [S05P_T1_G1_OP1_NMFL_C2]
C4 Open 69 kV line between Easton and Flo’s Inn [S05P_T1_G1_OP1_NMFL_C4]
C10 Remove transformer 138/69 kV at Flo’s Inn [S05P_T1_G1_OP1_NMFL_C10]
C15 Remove transformer 69/34.5 kV at Mullen [S05P_T1_G1_OP1_NMFL_C15]
C20 Open 138 kV line between Border 55 and Flo’s Inn [S05P_T1_G1_OP1_NMFL_C20]
C21 Remove transformer 138/69 kV at Tinker [S05P_T1_G1_OP1_NMFL_C21]
C25 Open 69 kV line, 6910 [S05P_T1_G1_OP1_NMFL_C25]


Option 2; Project Haynesville-Flo’s Inn Tap
A) W02P_T1_G1_OP2_NMPL
Contingency Tripped Element
C2 Remove McCaine load [W02P_T1_G1_OP2_NMPL_C2]
C3 Open 69 kV line between Flo’s Inn and McCaine [W02P_T1_G1_OP2_NMPL_C3]
C4 Open 69 kV line between Flo’s Inn and McCaine P.I. [W02P_T1_G1_OP2_NMPL_C4]
C12 Remove new transformer 138/69 kV at Flo’s Inn, connection to Haynesville [W02P_T1_G1_OP2_NMPL_C12]
C13 Remove transformer 345/138 kV at Haynesville [W02P_T1_G1_OP2_NMPL_C13]
C15 Open 69 kV line, 6920 [W02P_T1_G1_OP2_NMPL_C15]
C16 Remove Wheelabrator generator [W02P_T1_G1_OP2_NMPL_C16]
C17 Open 345 kV line between Edmundston and St-André [W02P_T1_G1_OP2_NMPL_C17]
C18 Open 345 kV line between St-André and Keswick [W02P_T1_G1_OP2_NMPL_C18]

B) S05L_T1_G1_OP2_NMLL
Contingency Tripped Element
C2 Remove new transformer 138/69 kV at Flo's Inn, connection to Haynesville [S05L_T1_G1_OP2_NMLL_C2]
C5 Open 345 kV line between Edmundston and St-André [S05L_T1_G1_OP2_NMLL_C5]

C) S05P_T1_G1_OP2_NMFL
Contingency Tripped Element
C2 Remove transformer 138/69 kV at Flo's Inn, connection to New Brunswick Power [S05P_T1_G1_OP2_NMFL_C2]


Option 3; Project Orrington-Flo's Inn Tap
A) W02P_T1_G1_OP3_NMPL
Contingency Tripped Element
C2 Remove transformer 138/69 kV at Flo's Inn, connection to New Brunswick Power [W02P_T1_G1_OP3_NMPL_C2]

B) S05L_T1_G1_OP3_NMLL
Contingency Tripped Element
C2 Remove the transformer 345/138 kV at Orrington [S05L_T1_G1_OP3_NMLL_C2]

C) S05P_T1_G1_OP3_NMFL
Contingency Tripped Element
C2 Remove transformer 138/69 kV at Flo's Inn, connection to New Brunswick Power [S05P_T1_G1_OP3_NMFL_C2]


DYNAMICS RESULTS



Current Network

case T1: MEPCo line, 700 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T1_G1_WOT_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T1_G1_WOT_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T1_G1_WOT_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T1_G1_WOT_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T1_G1_WOT_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T1_G1_WOT_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T1_G1_WOT_NMLL_D7]

case T0: MEPCo line, 0 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T0_G1_WOT_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T0_G1_WOT_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T0_G1_WOT_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T0_G1_WOT_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T0_G1_WOT_NMLL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T0_G1_WOT_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T0_G1_WOT_NMLL_D7]


Option 1; Project Haynesville-Mullen Tap

case T1: MEPCo line, 700 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T1_G1_OP1_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T1_G1_OP1_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T1_G1_OP1_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T1_G1_OP1_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T1_G1_OP1_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T1_G1_OP1_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T1_G1_OP1_NMLL_D7]

case T0: MEPCo line, 0 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T0_G1_OP1_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T0_G1_OP1_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T0_G1_OP1_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T0_G1_OP1_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T0_G1_OP1_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T0_G1_OP1_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T0_G1_OP1_NMLL_D7]


Option 2; Project Haynesville-Flo’s Inn Tap

case T1: MEPCo line, 700 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T1_G1_OP2_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T1_G1_OP2_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T1_G1_OP2_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T1_G1_OP2_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T1_G1_OP2_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T1_G1_OP2_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T1_G1_OP2_NMLL_D7]

case T0: MEPCo line, 0 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T0_G1_OP2_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T0_G1_OP2_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T0_G1_OP2_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T0_G1_OP2_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T0_G1_OP2_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T0_G1_OP2_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T0_G1_OP2_NMLL_D7]


Option 3; Project Orrington-Flo's Inn Tap

case T1: MEPCo line, 700 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T1_G1_OP3_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T1_G1_OP3_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T1_G1_OP3_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T1_G1_OP3_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T1_G1_OP3_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T1_G1_OP3_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T1_G1_OP3_NMLL_D7]

case T0: MEPCo line, 0 MW from New Brunswick to NEPOOL

Contingency
1) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE, KESWICK-CHESTER [S05L_T0_G1_OP3_NMLL_D1]
2) 3-PHASE FAULT AT KESWICK 355 KV (4 CYCLES) AND OPEN 396 LINE BETWEEN KESWICK AND NORTHERN MAINE TAP [S05L_T0_G1_OP3_NMLL_D2]
3) 3-PHASE FAULT AT ORRINGTON 355 KV (4 CYCLES) AND OPEN 388 LINE, ORRINGTON-MAXCY'S [S05L_T0_G1_OP3_NMFL_D3]
4) 3-PHASE FAULT AT SCOBIE 355 KV (4 CYCLES) AND STUCK BREAKER 9126 [S05L_T0_G1_OP3_NMLL_D4]
5) 3-PHASE FAULT AT BUXTON 355 KV (4 CYCLES) AND OPEN LINE BETWEEN BUXTON AND DEERFIELD [S05L_T0_G1_OP3_NMFL_D5]
6) 3-PHASE FAULT AT COLESON COVE 355 KV (4 CYCLES) AND OPEN LINE BETWEEN COLESON COVE AND NORTON [S05L_T0_G1_OP3_NMLL_D6]
7) DROP LEPREAU GENERATOR [S05L_T0_G1_OP3_NMLL_D7]