Technical data sets basic differential-phase protections of 110 kV

Set the main differential-phase line protection 110 kV transmission signals over HF channel

1.

Type

2.

Manufacturer

3.

Standards

IEC 61850

4.

Technical description

4.1

Number of setting groups, not less

4

4.2

Number of signaling LEDs pcs., Not less

12

5.

AC circuit terminals

5.1

Rated measuring current, A

1.0 or 5.0

5.2

The number of current inputs, pcs., Not less

4

5.3

Thermal current (continuous)

3 х In

5.4

The current one-second resistance

100 х In

5.5

Consumption per phase at In, VA

Not less 0,25

6.

Circuit AC terminals

6.1

Rated secondary voltage,V

Un = 100

6.2

The number of inputs circuits AC voltage (100 V) at least piece .:

4

6.3

AC voltage thermal stability (long)

1,5 x Un

6.4

One-second AC voltage stability

2,5 x Un

6.5

Operating check voltage circuits

Yes

7.

Operating frequency alternating current circuits and voltage terminals

7.1

Rated frequency, Hz

fn= 50

7.2

Operating frequency range

50 ± 5%

8.

Operational DC

8.1

Rated operational voltage DC ,V

Un = 220

8.2

The working voltage range of the operational DC

(0,8 – 1,1) x Upn

8.3

Ripple in the DC voltage

Not more than 6% of the mean

8.4

Normal functioning of the terminals must not be violated in the disappearance or reduction of voltage drops below set limit on the time ,sec

0,04

8.5

There should be no false positives or disrupt normal function terminals when removing or power supply U

Yes

8.6

Supply voltage of reverse polarity must not cause damage to the terminal

Yes

9.

Binary input terminal

9.1

Continuous rated voltage of each input ,V

Uin. n = 220

9.2

The operating range of each input

(0,8 – 1,1)xUin.n

9.3

Voltage of the "unassured wearing-out" of every entrance, V

(0.65 – 0.8)xUin.n

9.4

Discrete entrances must provide:

9.4.1

failure to function when a ground fault on any of the poles;

Yes

9.4.2

Malfunction during operation auto search "ground" at fault detection on any of the poles

Yes

9.5

The dropout ratio

K ≥ 0,95

9.6

Freely programmable binary inputs

Yes

10.

Contact outputs terminals

10.1

Commute DC voltage, V

220

10.2

Exclude galvanic connection with the elements located inside the terminal

Yes

10.3

Making capacity at inductive load with L / R > 10 msec

10 A for a time, sec

1.0

30 A for a time, sec

0.2

10.4

A continuous flow of current, A

5

10.5

Breaking capacity current 1 / 0,4 / 0,2 A at a voltage of 48/110/220 V and the time constant of the circuit L / R ≤ 40 msec

Yes

10.6

Freely programmable output relay

Yes

11.

Differentially phase defense

11.1

Pivoting mixed signal:

0 to 360°

11.2

Adjusting the asymmetry signal msec

–5.0 tо 5.0

11.3

Adjusting the channel delay, msec

0.00 tо 30.00

11.4

Timer 2nd coincidence msec

10 tо 200

11.5

Advanced lock angle, deg.

40 tо 180°

11.6

The setting of the filter coefficient k combined currents should be regulated within

6…10

11.7

Setting Body phase comparison to the angle at which blocks the action of protection trip must be regulated within

from ± 40° tо ± 70°

11.17

Angle accuracy locks are not unusual and should exceed (excluding the phase shifts in the HF channel), degrees °

± 5°

11.18

Precision Body relay actuation trigger residual current,%

± 5

11.19

Precision Body relay actuation trigger negative sequence voltage,%

± 5

12.

Distance protection (21)

12.1

Number of zones

4

12.2

Characteristic

quadrangular

12.3

Setting resistance, Ohm

0.05 tо 500.00

12.4

Error setting resistance

±5%

12.5

Remote characteristic angle

30 to 90 ° in step of 1

Control orientation:

12.7

Characteristic angle

30 to 90 ° in step of 1

12.8

The maximum angle

30 to 90 ° in step of 1

12.13

Exposure time,sec

0.00 tо 10.00

13.

Ground distance protection (21N)

13.1

Number of zones

4

13.2

Characteristic

quadrangular

13.3

Setting resistance, Ohm

0.02 tо 500.00

13.4

Remote characteristic angle

30 to 90 ° in step of 1

Control orientation:

13.5

Characteristic angle

30 to 90 ° in step of 1

13.6

The maximum angle

30 to 90 ° in step of 1

Compensation for residual:

13.7

Amplitude Z0/Z1

0.00 tо 10.00

13.8

Angle Z0/Z1

–90 tо 90° in step of 1

Compensation of mutual zero sequence:

13.9

Amplitude Z0М/Z1

0.00 tо 7.00

12.10

Angle Z0М/Z1

–90 tо 90° in step of 1

13.11

Exposure time ,sec

0.00 tо 50.00

14.

Load Encroachment

14.1

Positive sequence voltage (Umin)

0,0 – 0,7 r.u.

14.2

Resistance to direct sequence, Ohm

(0,1 – 250,0)

14.3

Angle impedance load zone

(15 – 65)⁰

15.

Power swing detection

15.1

Full coverage of internal resistance characteristics of the “in-line”, Ohm

0,10 – 500,00

15.2

Full coverage of internal resistance characteristics "in a line", Ohm

0,10 – 500,00

15.3

External blocking characteristic wobble degrees.

(20 – 90)°

15.3

Timers,sec

0,00 – 10,00

16.

Function breaker failure protection (CBFP) for the switch-drive three-phase

16.1

Select the type of circuit breaker failure protection: 3-Phase

Yes

16.2

Using the current supervision

Yes

16.3

Receive triggers protection switching and catch on the lifetime of the current in the breaker failure protection

Yes

16.4

Phase current operation

(0,02 – 3,0) r.u.

16.5

The current operation of the residual

0,001 tо 0,8 r.u.

16.6

Repeat the action on the circuit breaker without delay (action "on itself")

Yes

16.7

Return breaker failure timers if successful disconnecting switch

Yes

16.8

Timers ,sec

0,00 – 10,00

17.

Automatic reclosing (AR)

17.1

Number of reclosing attempts

1, 2, 3, 4

17.2

Program restart

3ph

17.3

Options TARI, FARI with the choice of trip

Yes

17.4

Possibility of the prolonged dead time reclosing in case of loss of VC link line protection to enable signal

Yes

17.5

Control of the circuit breaker to reclose cycle "off-on-off"

Yes

18.

phase / residual / neutral

18.1

Pickup level

0,08 tо 30,0 r.u

18.2

Setting the return from the start value,%

≥ 95 %

18.3

Modifier time ,sec

0,00 tо 100,00

19.

Current cutoff phase / residual / neutral

19.1

Pickup level

0,08 tо 30,0 r.u

19.2

Setting the return from the start value,%

≥ 95 %

19.3

Shutter response time ,sec

0,00 tо 100,00

20.

Current cutoff reverse order

20.1

Pickup level

0,08 tо 30,0 о.е.

20.2

Setting the return from the start value,%

≥ 95 %

20.3

Shutter response time ,sec

0,00 tо 100,00

20.4

Reaction time

<20 msec 3-x fold. start value

21.

Tripping logic (for schemes with one breaker)

21.1

Action trip

3-phase

21.2

Logic of teleacceleration

Yes

21.3

Pulse width off (timers) ,sec

0,00 – 50,00

22.

Measurement

22.1

Frequency

Yes

22.2

Voltage

yes

22.3

Current

Yes

22.4

Phase angle

Yes

22.5

Аctive Power, P

Yes

22.6

Reactive power, Q

Yes

22.7

Full power, S

Yes

22.8

Power factor, cos (ϕ)

Yes

23.

Event recorder

23.1

Capacity events

500

23.2

The maximum count rate, pulse / sec

10

23.3

Start on any change in the state

Yes

23.4

Storage of data in nonvolatile memory

Yes

24.

Disturbance recorder

24.1

The number of recordable analog channels

8

24.2

Mode of operation: continuous or launch

Yes

24.3

Time resolution msec

1

24.4

Operating parameters: the current value of any analog

Yes

25.

Fault location on line (FLL)

25.1

Method for determination

One-side

26.

oscillographic testing

26.1

The number of entries, at least:

10

26.2

Starts:

26.3

start-up, dropout, or operate any item;

Yes

26.4

change the state of the entrance;

Yes

26.5

contact output state change;

Yes

26.6

Storage of data in nonvolatile memory

Yes