Used For Thermal Power Plant 220KV Power Distribution Equipment/Generator and Distribution NGR (6~20

Price: US $ 1,000 - 10,000 / Set
Brand Name: MING RUI
Model Number: MRD-FDD4
Country/Region: China
Post Date: Apr 17,2012

Product Description: Used For Thermal Power Plant 220KV Power Distribution Equipment/Generator and Distribution NGR (6~20


1.NGR electrical distribution panel boardTechnology Parameters

Generator capacity(MW)

100/125

200

300

600

900/1000

Generator nominal voltage(kV)

10.5

13.8

15.75

18

20

20

24

24

27

Expected loop single-phase grounding max. capacitance current(A)

4

5

6

8

10

Grounding transformer primary side voltage(kV)

10.5/

13.8/

15.75/

18/

20/

20/

24/

24/

27/

Grounding transformer

secondary side voltage (kV)

0.22

0.22

0.22

0.22

0.22

Grounding transformer nominal capacity(kVA)

30

30

50

50

63

Secondary side resistance value (Ω)

1.0

0.8

0.5

0.4

0.3

Grounding protection tap voltage(kV)

0.1

0.1

0.1

0.1

0.1

2.Operation Conditions

Use condition:

indoor

Feature:

Neutral grounding resistor

Altitude high:

Less than 3000m

Ambient temperature:

-40 centigrade ~~+40 centigrade

Rated frequency:

58~62Hz and 48~52 Hz

Air grade:

Clean, without corrosion gas and dust

Relative humidity:

Not more than 95%    

(25 centigrade)

3.To serve you better, please kindly offer following information when ordering

1 generator rated voltage, transformation ratio of grounding transformer, resistance value;

2 insulation form of grounding transformer;

3 transformation ratio of current transformer ;

4 color of cabinet, wiring from the top or bottom;

5 time of current flowing-through

6 material and color of box, IP protective grade, colour and installation location.

4.Internation Stardard

DI/780 -2001

distribution system neutral grounding resistor

GB6450

dry-type power transformer

DI/T620-1997

Overvoltage protection and insulation coordination of AC electrical equipment

GB/T16927-1997

high voltage testing technology

GB1208-1997

current transformer

GB4208-93

case protection grade

IEEE32-1972

Technologies ,terms, and experiments of neutral grounding equipments

GB311.1-1997

insulation coordination of high voltage transmission and distribution device

DL/T593-1996

common ordering technical conditions of high voltage switch device

 

GB50150-1991

standards of electrical equipment handing-over and experiment of electrical device installment project

 

Supplier Details:

Baoding Mingrui Optoelectronics Technology Co., Ltd.

Sales:Ms. Angela Tong

Contact Phone:86-312-3118989-805

Main Products:<a class="key" href="http://www.alibaba.com/Power-Distribution-Equipment_pid4105" >Power Distribution Equipment

Business type:

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User Reviews: Used For Thermal Power Plant 220KV Power Distribution Equipment/Generator and Distribution NGR (6~20