gentpj validation - wecc and gensal.pdf · 19/11/2010 · parker unit 2 online impulse response...
TRANSCRIPT
gentpj validation
Shawn Patterson
MVWG meeting
11-19-2010
Steady State - gentpj
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.40
0.2
0.4
0.6
0.8
1
1.2
1.4Foster Unit 1 V-Curve
Field Current (pu)
Arm
atu
reC
urr
ent
(pu)
Measured
Model
Steady State - gensal
0.5 1 1.5 2 2.5 30
0.2
0.4
0.6
0.8
1
1.2
1.4Foster Unit 1 V-Curve (gensal)
Field Current (pu)
Arm
atu
reC
urr
en
t(p
u)
Measured
Model
Steady State - gentpj
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 20
0.2
0.4
0.6
0.8
1
1.2
1.4Hills Creek Unit 1 V-Curve
Field Current (pu)
Arm
atu
reC
urr
ent
(pu
)Measured
Model
Steady State - gensal
0.5 1 1.5 20
0.2
0.4
0.6
0.8
1
1.2
1.4Hills Creek Unit 1 V-Curve (gensal)
Field Current (pu)
Arm
atu
reC
urr
ent
(pu)
Measured
Model
Steady State - gentpj
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 20
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1John Day Unit 13 V-Curve
Field Current (pu)
Arm
atu
reC
urr
ent
(pu)
Measured
Model
Steady State - gensal
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 20
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1John Day Unit 13 V-Curve (gensal)
Field Current (pu)
Arm
atu
reC
urr
ent
(pu)
Measured
Model
Steady State Recap
• gensal does not adequately model fieldcurrent compared to measurements
• gentpj provides very good simulation of fieldcurrent compared to measurements
• OEL operation and reactive capability ofmachine models depend on accurate fieldcurrent simulation
• gentpj better than gensal
Dynamics – Vt/Efd (offline)
Machine models only
gensal
10-2
10-1
100
101
-40
-20
0
20
Freq (Hz)
Gain
(dB
)Unit 4 Offline Generator Response (Vt/Efd) (gensal)
S10 = 0.088S12 = 0.256Tpd = 4 sec
Tppd = 0.03 sec
Xd = 0.68 puXpd = 0.319 puXppd = 0.248 puXl = 0.1 pu
10-2
10-1
100
101
-150
-100
-50
0
Freq (Hz)
Phase
(deg)
Measured
Model
gentpj
10-2
10-1
100
101
-40
-20
0
20
Freq (Hz)
Gain
(dB
)Unit 4 Offline Generator Response (Vt/Efd) (gentpj)
S10 = 0.088S12 = 0.256Tpd = 4 sec
Tppd = 0.03 sec
Xd = 0.68 puXpd = 0.319 puXppd = 0.248 puXl = 0.1 pu
10-2
10-1
100
101
-150
-100
-50
0
Freq (Hz)
Phase
(deg)
Measured
Model
Closed Loop – offline - gentpj
0 5 10 15 20 25 300.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)
John Day Unit 1 Offline Step Response
Measured
Model
Closed Loop – offline - gensal
0 5 10 15 20 25 300.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)
John Day Unit 1 Offline Step Response - gensal model
Measured
Model
Closed Loop – offline - gentpj
0 5 10 15 20 25 300.985
0.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)
Hills Creek Unit 2 Offline Step Response
Measured
Model
Closed Loop – offline - gensal
0 5 10 15 20 25 300.985
0.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)Hills Creek Unit 2 Offline Step Response (gensal)
Measured
Model
Closed Loop – offline - gentpj
0 5 10 15 20 250.985
0.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)
Foster Unit 1 Offline Step Response
Measured
Model
Closed Loop – offline - gensal
0 5 10 15 20 250.985
0.99
0.995
1
1.005
1.01
1.015
Time (sec)
Voltage
(pu)
Foster Unit 1 Offline Step Response - gensal model
Measured
Model
Closed Loop – Online, low load -gentpj
0 5 10 15 20 25 301
1.005
1.01
1.015
1.02
1.025
Time (sec)
Voltage
(pu)
John Day Unit 1 Online Step Response - LDC = 0%
Measured
Model
Closed Loop – Online, low load -gensal
0 5 10 15 20 25 301
1.005
1.01
1.015
1.02
1.025
Time (sec)
Voltage
(pu)
John Day Unit 1 Online Step Response - LDC = 0% - gensal model
Measured
Model
Closed Loop – Online, full load -gentpj
0 5 10 15 20 25 300.995
1
1.005
1.01
1.015
1.02
Time (sec)
Voltage
(pu)
Hills Creek Unit 1 Online Step Response - PSS ON
Measured
Model
Closed Loop – Online, full load -gensal
0 5 10 15 20 25 300.995
1
1.005
1.01
1.015
1.02
Time (sec)
Voltage
(pu)
Hills Creek Unit 1 Online Step Response - PSS ON (gensal)
Measured
Model
Closed Loop – Online, full load -gentpj
0 5 10 15 20 25 300.99
0.995
1
1.005
1.01
1.015
1.02
1.025
1.03
1.035
Time (sec)
Voltage
(pu)
John Day Unit 1 Online Step Response - PSS OFF
Measured
Model
Closed Loop – Online, full load -gensal
0 5 10 15 20 25 300.99
0.995
1
1.005
1.01
1.015
1.02
1.025
1.03
1.035
Time (sec)
Voltage
(pu)
John Day Unit 1 Online Step Response - PSS OFF - gensal model
Measured
Model
Closed Loop – Online, full load -gensal
0 5 10 15 20 25 300.975
0.98
0.985
0.99
0.995
1
Time (sec)
Voltage
(pu)Foster Unit 2 Online Step Response - PSS ON
Measured
Model
Closed Loop – Online, full load -gensal
0 5 10 15 20 25 300.975
0.98
0.985
0.99
0.995
1
Time (sec)
Voltage
(pu)
Foster Unit 2 Online Step Response - PSS ON (gensal model)
Measured
Model
Oscillations
25 26 27 28 29 30 31 32 33 34 3528.5
29
29.5
30
30.5
31
31.5
32
Time (sec)
Pow
er
(MW
)
Parker Unit 4 Online Impulse Response with PSS OFF
Measured
gentpj
gensal
Oscillations – with PSS
25 26 27 28 29 30 31 32 33 34 3527.6
27.8
28
28.2
28.4
28.6
28.8
29
29.2
29.4
Time (sec)
Pow
er
(MW
)
Parker Unit 2 Online Impulse Response with PSS ON
Measured
gentpj
gensal
Summary
• gentpj better than gensal in steady state
• gentpj and gensal are similar in stageddynamic tests
• gentpj models can provide slightly moredamping than gensal
• WECC (then WSCC) program used gentpfmodel, which is the basis of gentpj
• gensal models should be replaced with gentpj