TR2PTDF Group Settings

Parameter Values (Range)

Unit Step Setting Description

High operate value

500...3000 %Ir 10 1000 Instantaneous stage setting

Enable high set 0=False1=True

1=True Enable high set stage

Low operate value

5...50 %Ir 1 20 Basic setting for biased operation

Slope section 2 10...50 % 1 30 Slope of the second line of the operating characteristics

End section 2 100...500 %Ir 1 150 Turn-point between the second and thethird line of the operating characteristics

Restraint mode -1=2.h + 5.h + wav5=Waveform6=2.h + waveform7=5.h + waveform

-1=2.h + 5.h + wav

Restraint mode

Harmonic deblock 2

0=False1=True

1=True 2. harmonic deblocking in case of switch on to fault

Start value 2.H 7...20 % 1 15 2. harmonic blocking ratio

Start value 5.H 10...50 % 1 35 5. harmonic blocking ratio

Stop value 5.H 10...50 % 1 35 5. harmonic de-blocking ratio

Harmonic deblock 5.

0=False1=True

0=False 5. harmonic de-blocking in case of severe over voltage

TR2PTDF Non Group Settings

Parameter Values (Range) Unit Step Setting DescriptionOperation 1=on

5=off1=on Operation Off/On

CT connection type

1=Type 12=Type 2

1=Type 1

CT connection type. Determined by the directions of the connected current transformers

Winding 1 type

1=Y2=YN3=D4=Z5=ZN

1=Y Connection of the HV side windings

Winding 2 type

1=y2=yn3=d4=z5=zn

1=y Connection of the LV side windings

Clock number

0=Clk Num 01=Clk Num 12=Clk Num 24=Clk Num 45=Clk Num 56=Clk Num 67=Clk Num 78=Clk Num 810=Clk Num 1011=Clk Num 11

0=Clk Num0

Setting the phase shift between HV and LV with clock number for connection group compensation (e.g. Dyn11 -> 11)

Zro A elimination

1=Not eliminated2=Winding 13=Winding 24=Winding 1 and 2

1=Not eliminated

Elimination of the zero-sequence current

Min winding tap

-36...36 1 36 The tap position number resulting theminimum number of effective windingturns on the side of the transformerwhere the tap changer is.

Max winding tap

-36...36 1 0 The tap position number resulting the maximum number of effective windingturns on the side of the transformer where the tap changer is.

Tap nominal

-36...36 1 18 The nominal position of the tap changer resulting the default transformation ratioof the transformer (as if there was no tap changer)

Tapped winding

1=Not in use2=Winding 1

1=Not in use

The winding where the tap changer is connected

3=Winding 2 to

Step of tap 0.60...9.00 % 0.01 1.50 The percentage change in voltage corresponding one step of the tap changer

CT ratio Cor Wnd 1

0.40...4.00 0.01 1 CT ratio correction, winding 1

CT ratio Cor Wnd 2

0.40...4.00 0.01 1 CT ratio correction, winding 2