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Baoding Ming rui Optoelectronics Technology Co., Ltd.

No.118 West Fuxing Road,Baoding city, Hebei province,China,Baoding,Hebei,China

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2014 New Product 20KV Outdoor Neutral Grounding Resistor

China

MRD-FD

1000 ~ 1e+06 / Set أحصل على آخر سعر

baoding hebei China

1000 per Set

1 Set

wooden case, neutral grounding resistor

25 days

-

Money Gram, Western Union, L/C, T/T

11 kv Neutral Grounding Resistor

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الوصف

MRD-FD Neutral Grounding Resistor for Generator
 
Preface
1. Selection of Generator Neutral Grounding Mode
Generator is the driving force in power system, which must have the right ability to respond to sudden failure in operation, to which the mode of generator neutral grounding is closely related.
-solid grounding
-Neutral-point grounding via low-resistance
-Neutral-point ungrounded
-Neutral-point grounding via arc-suppression coil
-Neutral-point grounding via high resistance
Fault Current Allowable Value of the Winding.
Single-Phase Grounding of Generator Stator
 
 
Product Description
Preface

1. Selection of Generator Neutral Grounding Mode

Generator is the driving force in power system, 

which must have the right ability to respond to sudden failure in operation, 

to which the mode of generator neutral grounding is closely related.

 

  • solid grounding
  • -Neutral-point grounding via low-resistance
  • -Neutral-point ungrounded
  • -Neutral-point grounding via arc-suppression coil
  • -Neutral-point grounding via high resistance

 

 

Fault Current Allowable Value of the Winding.

Single-Phase Grounding of Generator Stator 

 

Generator Nominal Voltage(kV)

Generator Nominal Capacity(MW)

Allowable Fault Current Value(A)

6.3

≤50

4

 

10.5

Steam turbine generators

50-100

 

3

Water turbine generator

10-100

 

13.8~15.75

 

Steam turbine generators

125-200

 

2

 

Water turbine generator

40-225

 

18-20

 

300-600

 

1

 

 

Operation Environment

  1.  Applies to indoors.
  2.  Ambient temperature: between -40 and +40 centigrade.
  3.  The altitude shall not exceed 3000m.
  4.  Relative humidity be or lower than 95%(25 centigrade)
  5.  Power grid frequency:58-62Hz (60Hz System), 48-52Hz (50Hz System)
  6.  The air at the installation site shall be free from chemical corrosion, vapour or explosive dust.

 

   Operation Environment

  1.  Applies to indoors.
  2.  Ambient temperature: between -40 and +40 centigrade.
  3.  The altitude shall not exceed 3000m.
  4.  Relative humidity be or lower than 95%(25 centigrade)
  5.  Power grid frequency:58-62Hz (60Hz System), 48-52Hz (50Hz System)
  6.  The air at the installation site shall be free from chemical corrosion, vapour or explosive 

 

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الشخص الذي يمكن الاتصال به:Ms. lily

الشركة:Baoding Ming rui Optoelectronics Technology Co., Ltd.

عنوان:No.118 West Fuxing Road,Baoding city, Hebei province,China, Baoding, Hebei, China,

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Ms. lily < Baoding Ming rui Optoelectronics Technology Co., Ltd. >
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