Neutral grounding resistor

Neutral grounding resistor is a protective electrical appliance to connect the limitable earth current or leakage current between the neutral point and the ground of the transformer or the generator to the set range . 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: 1.8 External 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. IP Degree: IP 23 1.11.3 Line incoming and outgoing mode: incoming from above and outgoing from the bottom. 1.11.4Enclosure material: dip-galvanized plate 1.11.Overall dimension: 6500(W) X 2000(D) X 3800(H) 1.11.6 Units connection type: stainless steel tube binding outside 1.11.7LG09 Overall 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 42KV1min (50Hz) Industry frequency withstand voltage: 42KV /MIN(50HZ) 2.4 External creepage distance rate: 35mm/KV 2.5 Internal creepage distance rate: 25mm/KV 2.6 Installation mode: outdoor 2. IP 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 Units 3.1.Units name: 310s 3.1.2Units resistance rate: 0.95±0.05 3.1.3 K Units temperature coefficient K T. 20 100 200 300 400 500 600 700 K 0 1.046 1.107 1.171 1.223 1.276 1.315 1.3553.1.4 Rust quality: quite good 3.1.5Machining property: quite good Clavate type support insulator parameters for externalTYPERated voltage kVMachine damage loadnot lessCreepage distance mmweight kgbendTorque Positive obversedkNkNkN.mZS-20/162016--40019.5ZS-20/302030--40029ZS-35/163516--62540ZS-60/8608--120045