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ZF27-1100 GIS
ZF27-1100 GIS

Member Details

PINGGAO GROUP HIGH VOLTAGE SWITCHGEAR CO.,LTD.

Pingdingshan,Henan,China

  • Product Details
  • Company Profile

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 ● Brief Description

  ZF27-1100 (L)/Y6300-50 GIS, developed independently by Pinggao for controling, measuring, protecting and transforming the electric transmission line, consists of circuit breaker, current transformer, disconnector, earthing switch, main busbar, incoming and outgoing line bushing and local control cabinet, etc. With rated voltage of 1100kV and rated current of 6300A, this type of GIS has been adopted in Jindongnan Substation of the first ultra-high voltage a.c demonstration project of China, which represents the pinnacle of similar products in the world.

  ●Main Features

  1 Voltage level is 1100kV.

  2 High current carrying capacity with 8000A current of disconnector and busbar.

  3 Excellent breaking capacity of 50kA breaking current.

  ●Technical Parameters

Specifications

Unit

Value

Rated voltage

kV

1100

Rated current

A

6300

Rated frequency

Hz

50/60

Rated short-time withstand current (r.m.s)

kA

50

Rated peak withstand current

kA

135

1min rated power frequency withstand voltage (r.m.s)

To earth & between pole

kV

1100

Across isolating distance

kV

1100(+635)

Rated lightning impulse withstand voltage (peak)

To earth & between pole

kV

2400

Across isolating distance

kV

2400(+900)

Rated SF6 gas pressure20℃

CB compartment

MPa

0.65

Others

MPa

0.45

Rated SF6 annual leakage

%

≤0.5

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