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In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value on nameplate.

How PSS/E reflects when tap changer positive and negative voltage step increment in PSS/E .raw file? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

"Scenario A": Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

0.945 using p.u. 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max = 1.155? tap ratio min = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? What will be meaning of code sign? Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value on nameplate.

How PSS/E reflects output changes when tap changer positive and negative voltage step increment in PSS/E .raw file? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

"Scenario A": Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

0.945 using p.u. 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max = 1.155? tap ratio min = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? What will be meaning of code sign? Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment in PSS/E .raw file? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

"Scenario A": Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

0.945 using p.u. 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max = 1.155? tap ratio min = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? What will be meaning of code sign? Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment in PSS/E .raw file? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

0.945 using p.u. 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max = 1.155? tap ratio min = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? What will be meaning of code COD1 sign? Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

Tap Changer modeling in PSS/E (linear one and non-phase shifting) In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment in PSS/E .raw file? is implemented? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

0.945 using p.u. 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max = 1.155? tap ratio min = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? What will be meaning of code COD1 sign? Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

Tap Changer modeling in PSS/E (linear one and non-phase shifting) In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment is implemented? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

tap ratio X = 0.945 using p.u. tap ratio Y = 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio max X = 1.155? tap ratio min Y = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B? B?

What will be meaning of code COD1 sign? sign?

Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

Tap Changer modeling in PSS/E (linear one and non-phase shifting) In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment is implemented? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding winding = 400 kV U rated = 420 420 kV Tap Max = 21 Tap Min = 1 Tap Neutral = 11 Tap Step [%] = -1 Tap Step = -0.01

tap ratio X = 0.945 using p.u. tap ratio Y = 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Base Voltage of subnet on HV winding winding = 400kV U rated = 420 kV U rated in p.u. = 1.05 Tap Max = 21 Tap Min = 1 Tap Neutral =11 Tap Step [%] = 1 Tap Step = 0.01 tap ratio X = 1.155? tap ratio Y = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B?

What will be meaning of code COD1 sign?

Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?

Tap Changer modeling in PSS/E (linear one and non-phase shifting) In reality tap changer can be located on high side or low side of the transformer. Tap Changer voltage increment per tap step can be of positive or negative value based on nameplate.

How PSS/E output changes when tap changer positive and negative voltage step increment is implemented? How to model in Two Winding Transformer input to model case when tap changer is on LV side winding and HV winding?

Scenario A and B Tap Changer (linear and non-phase shifting). Tap Changer location on HV side.

Scenario A Tap Changer location HV side: Yes Base Voltage of subnet on HV winding = 400 kV U rated = 420 kV Tap Max = 21 21, Tap Min = 1 1, Tap Neutral = 11 11, Tap Step [%] = -1 -1, Tap Step = -0.01-0.01,

tap ratio X = 0.945 using p.u. tap ratio Y = 1.155 using p.u.

Scenario B Tap Changer location HV side: Yes Yes, Base Voltage of subnet on HV winding = 400kV 400kV, U rated = 420 kV kV, U rated in p.u. = 1.05 1.05, Tap Max = 21 21, Tap Min = 1 1, Tap Neutral =11 =11, Tap Step [%] = 1 1, Tap Step = 0.01 0.01, tap ratio X = 1.155? tap ratio Y = 0.945?

What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario A? What will be RMAI and RMI, COD1 (what will be a sign?) in Scenario B?

What will be meaning of code COD1 sign?

Does PSS/E support modeling tap changers on LV side of transformer? If so how to do it properly and what will be change in .raw outcome?