Neutral Grounding Resistor works as protection part in the high voltage transmission line system instead of damping resistor.

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