Neutral grounding resistor

Neutral grounding resistor are widely applicable to high voltage power transmission and distribution system.

   Resistor parameters

1.1  System voltage: 66KV

1.2   Resistance loop: 66/ KV

1.3  Rated current and time: 874.79A /10s

1.4 Rated resistance: 43.5ohm

1.5 Resistance material: 310s

1.6  Resistance tolerance: ±5%

1.7 Industry frequency withstand voltage:

1.8External creepage distance rate: 35mm/KV

1.9  Internal creepage distance rate: 25mm/KV

1.10 Air distance: 550mm

1.11 Working condition

1.11.1

    Installation type: outdoor

1.11.2IP Degree: IP 23

1.11.3

    Line incoming and outgoing mode: incoming from above and outgoing from the bottom.

1.11.4

   Enclosure material: dip-galvanized plate

1.11.5Overall dimension: 6500(W) X 2000(D) X 3800(H)

1.11.6

   Units connection type: stainless steel tube binding outside

1.11.7Overall drawing: LG09.120709BZ001-2

1.12 :  Standards : IEEE32,DL/T 780-2001

Single box resistor

2.1  Rated resistance value: 5.44ohm

2.2  Resistance tolerance: ±5%

2.3   Industry frequency withstand voltage:

2.4 External creepage distance rate: 35mm/KV

2.5  Internal creepage distance rate: 25mm/KV

2.6

     Installation mode: outdoor

2.7IP Degree: IP23

2.8Enclosure material : dip-galvanized plate

2.9  Overall dimension: 1200(W) X 1500(D) X 1120(H)

2.10 Overall drawing: LG09.120709BZ001-1

   Resistance units

3.1.1310S

     Units name: 310s

3.1.2  Units resistance rate: 0.95±0.05

3.1.3  Units temperature coefficient K

Neutral grounding resistor