Technical data sets main differential protection of wl-110 kV

Set the main line differential protection of 110 kV

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 or 5

5.2

The number of current inputs, things., 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

5.6

Operating check current circuits

Yes

6.

Circuit AC terminals

6.1

Nominal alternating voltage, V

Un = 100

6.2

The number of input 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 Uн

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 lower U-set limit on the time ,sec

to 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

Rated voltage of each input ,V

Uin. n = 220

9.2

The operating range of each input

(0,8 – 1,1) x Uin.n

9.3

Voltage "unwarranted" triggering each input ,V

(0.65 – 0.8) x Uin.n

9.4

The digital inputs 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 pole

Yes

9.5

The dropout ratio

К ≥ 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 ms

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.

Differential protection

11.1

The trip level current

(0,2 – 2,0) r.u

11.2

CT ratio mismatch

from 1 tо 8

11.3

Tilting braking performance №1

from 30 tо 150%

11.4

Tilting braking performance №2

from 30 tо 150%

11.5

The control point between the slopes

from 1 tо 30 о.е.

11.6

Response time with

from 0,00 tо 100,00

11.7

Line differential protection with signal transmission over fiber

yes

11.8

Maximum input optical power

11.9

1300 nm LASER, One modal

-14 dBm

11.10

Losses in fiber

0.35 dB/km

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

12.6

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

12.9

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

0,05 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°

Compensation of mutual zero sequence:

13.9

Amplitude Z0М/Z1

0,00 tо 7,00

13.10

Angle Z0М/Z1

–90 tо 90°

13.11

Exposure time ,sec

0,00 tо 10,00

14.

Load Encroachment

14.1

Positive sequence voltage (Umin)

0,00 – 0,7 r.u.

14.2

Resistance to direct sequence, Ohm

0,1 – 250,00

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 "to the tires" Ohm

0,10 – 500,00

15.3

External blocking characteristic wobble degrees.

(20 – 90)°

15.4

Timers ,sec

0,00 – 10,00

16.

Function breaker failure protection

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 tо 3) 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) for the circuit with one breaker

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 link protection line 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 30,00 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 30,00 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 30,00 r.u.

20.2

Setting the return from the start value,%

≥ 95 %

20.3

Shutter response time ,sec

0,00 tо 100,00

20.5

Reaction time

<20 msec 3-x multiple of the starting

21.

Overcurrent protection and ground-fault time delayed

21.1

Tripping current

0,08 tо 30,00 r.u.

21.2

The current return of the pickup value,%

≥ 95 %

22.

Tripping logic (to switch to a three-phase drive)

22.1

Action trip

3-phase,

1/2/3-phase

22.2

Logic of teleacceleration

Yes

22.3

Pulse width off (timers) ,sec

0,00 – 50,00

23.

Measurement

23.1

Frequency

Yes

23.2

Voltage

Yes

23.3

Current

Yes

23.4

Phase angle

Yes

23.5

Active power, P

Yes

23.6

Reactive power, Q

Yes

23.7

Full power, S

Yes

23.8

Power factor, cos (ϕ)

yes

24.

Event recorder

24.1

Capacity ,events

500

24.2

The maximum count rate, pulse / s

10

24.3

Start on any change in the state

Yes

24.4

Storage of data in nonvolatile memory

Yes

25.

Disturbance recorder

25.1

The number of recordable analog channels

8

25.2

Mode of operation: continuous or launch

Yes

25.3

Time resolution msec

1

25.4

Operating parameters: the current value of any analog

Yes

26.

Fault location on line

26.1

Method of determination

One-side

27.

oscillographic testing

27.1

The number of entries, at least:

10

27.2

Starts:

27.3

start-up, dropout, or operate any item;

Yes

27.4

change the state of the entrance;

Yes

27.5

contact output state change;

Yes

27.6

Storage of data in nonvolatile memory

yes