Technical requirements to gis – 110 kV

1.

General technical requirements

1.1

Type of making of shell

three-phase

1.2

Fitting

internal

1.3

Nominal tension, kV

110

1.4

Most working tension, kV

126

1.5

Nominal frequency, Hertzs

50

1.6

Nominal current of collapsible tires, A

3150

1.7

Nominal current of taking, A

2000

1.8

Nominal current of thermal firmness, kA

50

1.9

Possible height of setting above a level exterminating, m

1000

1.10

Seismic stability, marks on the scale of MsK-64

6

1.11

High working value of temperature of surrounding air, °С

+ 40

1.12

Lower working value of temperature of surrounding air during exploitation, °С

+ 5

1.13

Legitimate value of heating of corps, accessible for a touch, no more, °С

+ 50

1.14

Proof-of-concept tension of a storm impulse 1.2/50 microsec., kV

650

1.15

Brief (oneminute) proof-of-concept na-pryazhenie of industrial frequency, kV

275

2.

Switches

2.1

Nominal current, A

2000

2.2

Nominal current of disconnecting, kA,

50

2.3

Most peak of current of including, kA,

108

2.4

Initial operating value of periodic constituent of current of including, kA

50

2.5

Possible maintenance of aperiodic cabbage make-soup, %

62*

2.6

Rationed current of disconnecting in the conditions of misalignment of phases, kA

12.5

2.7

By a capacity current of the loaded lines, disconnected without restrikes, A

31,5

2.8

Rationed interconnect cycles in accordance with requirements

IEC 62271-100

2.9

Marketability the rationed interconnect cycles during work with AUTORECLOSING

О-0, 3-ВО- 180с –ВО

2.10

No-current condition at a fast-acting autoreclosing, sec

0,3

2.11

Own time of disconnecting, sec

0,05

2.12

Complete time of disconnecting, sec

0,07

2.13

Make-time, sec

0,10

2.14

Different make-time poles, sec

0,01

2.15

Different time of disconnecting of poles, sek

0,01

2.16

Type of drive (spring, hydraulic)

spring

2.17

Range of workings tensions of management electromagnets from a basic value, %

2.17.1

- including electromagnets

85 – 110

2.17.2

- disconnecting electromagnets

70 – 110

2.18

Necessity of phase management

No

2.19

Time of factory of including springs, sec

10

2.20

Nominal tension of engine of factory of springs, V

220

2.21

Amount of electromagnets of disconnecting, things

2

2.22

Amount of electromagnets of including, things

1

2.23

Resource on mechanical firmness, number of cycles B-about, no less

10000

2.24

Meters of number of wearing-outs of switch,

Yes

2.25

Mechanical pointer of position of switch (on-off)

Off-green

On-red

2.26

Presence of device of hand factory of springs of drive

Yes

2.27

Amount of auxiliary block-contacts of drive

2.27.1

- normally opened (NO)

7

2.27.2

- normal-closed (NC)

7

3.

Disconector – earth switchgear

3.1

Type of drive of disconector (electro-motive, hand)

3.1.1

- for a main chain

El. motive

3.1.2

- for the chain of grounding

El. motive

3.2

Nominal tension is a feed of electromechanic, V, (variable or permanent)

Permanent 220

3.3

Current, consumed the drive of pole, A

*

3.4

Possibility of hand operation disconector

Yes

3.5

Resource on mechanical firmness, number of cycles of B–O, no less

5000

3.6

Amount of drives on 3 poles

1

3.7

Mechanical blocking of disconector and earth switchgear (yes/no)

Yes (three-position)

3.8

Presence of observational windows

Yes

3.9

Isolated earth switchgear (yes, no)

Yes

3.10

Device of hand operation disconector and ground switchgear

Yes

3.11

Amount of auxiliary block-contacts of drive

3.11.1

- normally opened (NO)

5

3.11.2

- normal-closed (NC)

5

4.

Fast-acting disconectors

4.1

Rapid including (spring), slow breaking

Yes

4.2

Drive

El.motive

4.3

Amount of drives on 3 poles

1

4.4

Amount of auxiliary block-contacts of drive

4.4.1

- normally opened (NO)

5

4.4.2

- normal-closed (NC)

5

5.

Built-in transformers of current

5.1

Cell

*

5.2

Amount of second puttee

5

5.3

Puttee 1 (account). Class of exactness, second loading, VA

0,2

20

5.4

Puttee 2-5 (RP) for defense. Class of exactness, second loading, VA

10Р

30

5.5

Nominal primary current, A

*

5.6

Nominal second current, A

1

5.7

Possible overload on a primary current, at which the declared class of exactness is saved for measurings puttee

1,5*

5.8

Nominal maximum multipleness of second puttee for defense

20

6.

Transformers of tension

6.1

Type (capacity, inductive)

inductive

6.2

Nominal tension, kV

110/√3

6.3

Amount of second puttee

3

6.4

Puttee of N1 (Instrumentation). Second tension. Class of exactness. Second loading, VA

100/√3; 0,2; 100

6.5

Puttee of N2 (relay defence). Second tension. Class of exactness. Second loading, VA

100/√3; 10Р; 100

6.6

Puttee of N2 (relay defence). Second tension. Class of exactness. Second loading, VA

100; 10Р; 100

6.7

Possibility of decatenation from main chains for the leadthrough of high-voltage tests and service

Yes

7.

Terminators of overstrains in composition GIS

7.1

Amount

*

7.2

Nominal tension, kV

120

7.3

The most is protracted possible working tension, no less, kV

96

7.4

Remaining tension at the interconnect impulse of current 30/70 mks with amplitude:

7.4.1

- 1000 A, no more, kV

*

7.4.2

- 2000 A, no more, kV

*

7.5

Remaining tension at the impulse of current 8/20 mks with amplitude

7.5.1

- 10000 A, no more, kV

*

7.5.2

- 20000 A, no more, kV

*

7.6

Amplitude of current of carrying capacity 2000 mks, But not less

800

8.

Cable end muff

8.1

A construction of inputs is a composite, dry input with a graded isolation (yes, it is not)

Yes

8.2

Type of end cable muff

*

8.3

Possibility of leadthrough of high-voltage tests of cables, suitable to GIS (presence of cable socket)

Yes

9.

An input is «air - SF6 gas» (for the transformer joinings)

9.1

Type of execution of input (outward application)

*

9.3

Material of insulator

polymer

9.3

Contact clamp for GOST 10434-82 and GOST 21242-75

Yes

9.4

Surplus pressure of SF6 gas at a temperature +20°С, Pa

*

9.5

In the volume of switch, Pa

*

9.6

In the volume of collapsible tires, Pa

*

9.7

In the volume of taking, Pa

*

9.8

Expense on losses from mass of SF6 gas in a year, %, no more

0.5%

10.

Requirements on reliability

10.1

Guarantee term of exploitation, months, no less

In obedience to a contract

10.2

Term of service to repair, years no less

10

10.3

Term of service, years, no less

40

10.4

Expense on losses from mass of SF6 gas in a year, %, no more

0.5%

11.

Technical requirements to the construction, making and materials

11.1

Amount and location of barriers from gas, insulators provides maximal reliability of GIS without his redemption in the case of conclusion in repair of his separate components and maximal insulativity of volumes (switch, disconector, earth switchgear, TN, TT, ARF) in the case of their damage

Yes

11.2

Scraies of mechanical displacements and expansions for providing of mechanical flexibility of GIS

Yes

11.3

Weight of SF6 gas is in every volume of GIS:

11.3.1

- SF6 gas switch

*

11.3.2

- TN

*

11.3.3

- cells of GiS

*

11.3.4

- all GIS

*

11.4

Painting of casings ofGIS

Yes, light-grey *

11.5

Welding of components of GIS and entablatures in place of editing is shut out, (yes, it is not)

No

11.6

Tension of alternating current of chains of heating, In

230

11.7

A device of emergency depressurization SF6 gas is in a every compartment

Yes

11.8

Editing of cells to the floor with the use of wall screws

Yes

12.

Completeness of delivery

12.1

GIS in accordance with an unilinear chart and arrangement

Yes

12.2

Sensors

Yes

12.3

SF6 gas for the primary priming

Yes

12.4

technological service trolley (yes,no)

Yes

12.5

Operating document

Yes

12.6

Control closet

Yes

12.7

Densimeters with block-contacts and with possibility of visual examination of level of closeness of SF6 gas (yes, not)

Yes

13.

Marking, packing, transporting, storage

13.1

Marking, packing and preservation

In accordance with IEC

13.2

Terms of transporting

In accordance with a contract

13.3

Shelf-life switch is in packing of manufacturer, separately kept details, frame-clamping units, ZIP, year, no more

no more than 1 year

14.

Formal acceptance in exploitation

14.1

High-voltage tests of GIS by an overvoltage with control of partial digits.

Yes

14.2

Possible level of partial digits, pCl

10