Technical requirements to the terminator of overstrain 110 kV

General technical requirements

Standart

GOST 52725-2007, operating standards of IEC

Manufacturer

*

Conditional denotation (brand)

*

Type of grounding of neutrality

Deafly earthed

Nominal tension of network, kV

110

Most working tension is in an electric network, kV

126

Nominal tension is TOO, kV

102

Most possible protracted working tension, kV

83

Nominal bit current 8/20 mcsec, kA

10

Class of digit of line concordantly IEC

2

Specific power-hungryness, kDzh/kV

2,5

Firmness at the current of shorting circuit (0,2 with), kA

40

2.

Requirement to electric durability of isolation:

2.1

Remaining tension, kV, no more:

2.1.1

• at the impulse of current (1/2 mcsec) of 10 kA

172

2.1.2

• at the interconnect impulse of current (30/60 mcsec) of 1 kA

228

2.1.3

• at the interconnect impulse of current (30/60 mcsec) of 2 kA

237

2.1.4

• at a thunderstorm impulse of current (8/20 mcsec) of 5 kA

257

2.1.5

• at a thunderstorm impulse of current (8/20 mcsec) of 10 kA

270

2.1.6

• at a thunderstorm impulse of current (8/20 mcsec) of 20 kA

297

3.

Value of climatic factors of external environment:

3.1

Category of placing (GOST 15150-69)

1

3.2

Range of workings temperatures, С

from -32 to +40

3.3

Thickness of wall of ice-storm, mm

19

3.4

Possible speed of wind in the conditions of ice-storm, m/sec

22

3.5

Possible speed of wind in the conditions of absence of ice-storm, m/sec

28

3.6

Height above a level exterminating, m

1000

3.7

Seismic stability of district, marks on the scale of MsK-64, not less than

6

3.8

Level of contamination of atmosphere in the district of placing of substation on the standard of MEK 60815-2008:

"С"

3.9

Specific pathlength loss of external isolation, "phase-earth" measured at tension, mm/kV

35

4.

Requirements to the construction, making and materials:

4.1

A possible pull of wires is in horizontal direction,

500

4.2

External isolation (material/color of coverage)

polymer

4.3

Presence of electric meter with possibility of measuring of current of loss

Yes

4.4

Isolated basis for setting of meter of wearing-outs

yes

4.5

Power contact conclusion

Aluminium under a clamp

4.6

Structural implementation

Explosion fire safely

4.7

Connecting possibility to ACS (to the subsystem of monitoring of power equipment) with control of next parameters:

4.7.1

Registration of wearing-outs is TOO;

Yes

4.7.2

Fixing of time of wearing-out;

yes

4.7.3

Fixing of value of impulse of current of passing through TOO

yes

5.

Requirements on reliability::

5.1

Term of service, years, not

30

5.2

Guarantee term:

5.2.1

• from the moment of putting into an operation, years, not less than

5

5.2.2

• from the moment of reception-transmission on storage of Customer, years, not less than

5,5

6.

Completeness of terminators of overstrains

6.1

Terminator of overstrains in collection in obedience to the list of acquisition

Yes

6.2

Screening rings for protecting from koronirovaniya and providing of equitability tension on length

Yes

6.3

System of monitoring of the state TOO with possibility of remote read-out

yes

6.4

Operating document in Russian or Ukrainian language.:

Yes

6.5

Technical passport

On every TOO

6.6

Assembly instruction and drafts and to exploitation

1 part on TOO

6.7

List of acquisition

On every TOO

6.8

Protocols of test on a factory-producer

On every TOO