Voluntary Standards
DL/T780-2001 Neutral grounding resistors in electric power distribution system
GB6450 Dry type Electric transformer
DL/T620-1997 Over-voltage protection and insulation coordination for AC equipment
GB/T16927-1997 High-voltage testing technology
GB1208-1997 Current transformer
GB4208-1993 Protection level of enclosure(IP Code)
IEE32-1972 Technology,terms and test of neutral grounding resistors
GB311.1-1997 Insulation coordination of high-voltage transmitting and distribution equipment
DL/T593-1996 Common order technical requirements of high- voltage switch equipment
GB/T11022-1999 Electric equipment delivery testing criterion of electric device installation Other national
criterion and electric power industry standards.
Operation Environment
Air Temperature:≥-35°C,≤+50°C
Altitude:≤1000m(general)
Wind pressure: ≤700 Mpa(equal to wind speed at 34 m/s)
Earthquake intensity: ≤magnitude 8
lce cover: ≤15mm
Air contamination level:≤IV
Product Categories
The low resistance grounding resistor for electric power distribution networks
The moderate resistance grounding resistor for electric power distribution networks
The high resistance grounding resistor for electric power distribution networks
The high resistance grounding resistor for generators
Parameters of products
Voltage:0.4kV~110kV;
Rated current:optional;
Nominal resistance:optional;
Current duration:10s,30s,60s,10min,continuous;
Incoming and outing line:top in bottom out,bottom in bottom out,side in side out,side in bottom out,etc;
Installation site:indoor/outdoor;
Allowable temperature rise:760°C for 10s,30s,60s and 610°Cfor 10min and 385°C for continuous
Zero sequence current transformer:optional
| Type |
Rated Voltage of system |
Rated Voltage of resistor |
Rated current |
Current duration |
(Ω) ±10% Nominal resistance value |
W×D×H (mm) Dimension |
(kg) Weight |
| NGR-6.3/100-10 |
6.3 |
3.64 |
100 |
10 |
36.4 |
1300 ×1300 ×1900 |
450 |
| NGR-6.3/200-10 |
6.3 |
3.64 |
200 |
10 |
18.2 |
500 |
| NGR-6.3/400-10 |
6.3 |
3.64 |
400 |
10 |
9.09 |
500 |
| NGR-6.3/600-10 |
6.3 |
3.64 |
600 |
10 |
6.06 |
500 |
| NGR-6.3/1000-10 |
6.3 |
3.64 |
1000 |
10 |
3.64 |
500 |
| NGR-10/100-10 |
10 |
5.77 |
100 |
10 |
57.7 |
500 |
| NGR-10/200-10 |
10 |
5.77 |
200 |
10 |
28.9 |
550 |
| NGR-10/400-10 |
10 |
5.77 |
400 |
10 |
14.4 |
550 |
| NGR-10/600-10 |
10 |
5.77 |
600 |
10 |
9.62 |
550 |
| NGR-10/1000-10 |
10 |
5.77 |
1000 |
10 |
5.77 |
550 |
| NGR-20/600-10 |
20 |
11.5 |
400 |
10 |
28.9 |
1700 ×1700 ×2600 |
1250 |
| NGR-20/600-10 |
20 |
11.5 |
600 |
10 |
19.2 |
1250 |
| NGR-35/200-10 |
35 |
20.2 |
200 |
10 |
101 |
3000 ×1700 ×2600 |
2000 |
| NGR-35/400-10 |
35 |
20.2 |
400 |
10 |
50.5 |
2000 |
| NGR-35/600-10 |
35 |
20.2 |
600 |
10 |
33.7 |
2000 |
| NGR-35/1000-10 |
35 |
20.2 |
1000 |
10 |
20.2 |
2000 |
| NGR-35/1300-10 |
35 |
20.2 |
1300 |
10 |
15.5 |
3000 ×1700 ×3100 |
2500 |
| NGR-35/2000-10 |
35 |
20.2 |
2000 |
10 |
10.1 |
250 |
Packaging & Shipping
Packing, Transportation, Storage
The package should be placed on sleeper by normal position and fastened by bolt;
The cabinet should be covered with foam to be protected against dust and vapor during the transportation;
Keep the equipment in its original package when deliver to installation field, so as to prevent it from possible
damage during the transportation;
Fix it with fastener to prevent it from resistor looseness during the transportation;
Seal the box with lath;
Indicate delivery place, equipment name, weight etc on the packing box clearly;
All the boxes can be lifted to the common container by forklift;
Unload the goods with forklift or crane after its arrival;
Inspect the goods after unloading to make sure that the goods is in good condition.
kaging & Shipping
Packaging Details:each in foam box or Packaging Details:
wooden pakage
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