MRD-BJ Transformer Neutral Ground Resistor

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Tianjin
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TT OR LC
Min Order Qty:
1 unit
Supply Capability:
30 unit/month

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Product Description:

Neutral Grounding Resistor is used to protect power transformers, power generators and other associated equipment in your power systems against 50/60 Hz faults (short circuit) and transient phenomena (lightning).

Applicable Standards  
The design of the product complies with the flowing standards: 
DL/780-2001   Neutral Grounding Resistor in Power Distribution 
IEC726           Dry-Type Power Transformer 
DL/T620-1997  Overvoltage Protection and Insulation Co-ordination of AC  Electrical Equipments 
IEC60-1         Experimental Technique of High Voltage 
GB1208-1997    Current Transformer 
IEC60529:2001  Enclosure Protection Degree (IP code) 
IEEE32-1972    Technique Terms and Experiment of Neutral Grounding Device 
IEC60081       Insulation Co-ordination of Transmission and Distribution Device of High Voltage. 

DL/T593-1996   Common Specifications for Purchasing High Voltage  
              Switch Equipment. 
GB50150-1991  Electrical Equipment’s Hand-over and Test Standard of 
                Electrical Device Installation Project.

Typical Technology Parameters

Product Model

System Voltage

kV

Rated Current

A

Current Flowing Time in short TimeS

Rated Resistor Value Ω

(±5%

Insulation Withstanding Voltage kV

8/20μS

Thunder Stroke

1min Power Frequency

MRD-BJ-6/36.4

6.3

100

10

36.4

60

32

MRD-BJ-6/18.2

6.3

200

10

18.2

60

32

MRD-BJ-6/9.09

6.3

400

10

9.09

60

32

MRD-BJ-6/6.06

6.3

600

10

6.06

60

32

MRD-BJ-10/15.16

10.5

400

10

15.16

75

42

MRD-BJ-10/10.10

10.5

600

10

10.10

75

42

MRD-BJ-10/7.57

10.5

800

10

7.57

75

42

MRD-BJ-10/6.06

10.5

1000

10

6.06

75

42

MRD-BJ-35/20.20

35

1000

10

20.20

185

95

MRD-BJ-35/10.10

35

2000

10

10.10

185

95

 

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