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Specifications
Neutral Grounding Resistor works as protection part in the high voltage transmission line system instead of damping resistor.
Shanghai Lingguang Electric Apparatus Manfacturing Co.,LTD (Lingo)established in 1991.
Professional industrial electrical products -- resistance box, load box, center grounding resistance, manufacturers in domestic resistor manufacturing enterprises have higher visibility.
With nearly 150 employees, scientific and technical force is abundant, has many national patents (Example: ZX18V type resistors, patent number 03230790).
Had including CNC plate shears, CNC folding machine, CNC punching, more than 60 sets of large-scale processing equipment.
Enterprise through IS09001 quality system, ISO14001.2004 environmental management system and GB/T2800-2001 worker health and safety management system.
LINGO widely used in steel, electric power, ship, railway, electronics, and etc, the products have been exported to Japan, France, Germany, Egypt, etc.
LINGO is located in Shanghai PuDong new area, has a total area of about 9,000 square meters workshops, warehouses and office center.
Excellent ability of research development
The advanced production processing equipment
Complete production assembly processing capacity
Perfect quality guarantee system
Quickly logistic support capacity
Timely and efficient service response
Enterprising management team
With first-class product quality to win the trust of customers
With first-class marketing quality to win the confidence of users
With first-class service quality to win the satisfaction of customers
Neutral Grounding Resistor (NGR) works as protection part in the high voltage transmission line system instead of damping resistor.
Resistor parameters
1.1 System voltage : 70V
1.2 Resistance loop: 70/ KV
1.3 Rated current and rated time: 200A/10S
1.4 Rated resistance value: 200 ohm
1.5 Resistance material: 310s
1.6 Resistance error: ±5%
1.7 Frequency withstand voltage: 140KV on power for 1min(50HZ).
1.8 Degree pollution for creepage distance for external: 35mm/KV
1.9 Degree pollution for creepage distance for internal: 25mm/KV
1.10 Net distance in space
1.11 Working condition
1.11.1 Installation mode: outdoor
1.11.2 IP Degree: IP23
1.11.3 Cable connecting mode: incoming from above and outgoing from bottom.
1.11.4 Enclosure: pot galvanizing plate
1.11.5 Overall dimension: W6500 X D1400 X H3800
1.11.6Units connecting mode: stainless steel tube connecting outside.
1.11.7Overall diagram: LG09.091909BZ001-2
1.12 : This resistor is following with IEEE32. DL/T 780-2001
Single box resistor
2.1 Rated resistance value: 25 ohm
2.2 Resistance value error: ±5%
2.3 Frequency withstand voltage: 42KV on power for 1min(50HZ)
2.4 Degree of pollution for creepage distance for external: 35mm/KV.
2.5 Degree of pollution for creepage distance for internal: 25mm/KV
2.6 Installation mode: outdoor.
2.7IP Degree: IP23
2.8Enclosure material: pot galvanizing plate
2.9 Overall dimension: W1200 X D1400 X H1120
2.10 Overall diagram: LG09.091909BZ001-1
Resistor units
3.1
Units
3.1.Units names: 310s
3.1.2 Resistive: 0.95±0.05
3.1.3 Units temperature rate: K
T |
20 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
K |
0 |
1.046 |
1.107 |
1.171 |
1.223 |
1.276 |
1.315 |
1.355 |
3.1.4 Rustproof: good
3.1.5 Mechanical : good
Support insulator technical parameters for outside
Type |
Rated voltage kV |
Mechanical damage load (not less ) |
Creepage distance mm |
Weight kg |
||
bending |
torque |
|||||
positive |
reversive |
|||||
kN |
kN |
kN.m |
||||
ZS-20/16 |
20 |
16 |
- |
- |
400 |
19.5 |
ZS-20/30 |
20 |
30 |
- |
- |
400 |
29 |
ZS-35/16 |
35 |
16 |
- |
- |
625 |
40 |
ZS-60/8 |
60 |
8 |
- |
- |
1200 |
45 |
Wall bushing parameters for outside
Type |
Rated voltage |
Rated current A |
Not Bending kN |
L mm |
Creepage distance outside mm |
weight kg |
|
CWB-10/600 |
10 |
600 |
7.5 |
580 |
230 |
10 |
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