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Generator set grounding resistance cabinet
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- 产品描述
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Typical products
DNGR6.3-300-12-10-54 Rated Volitage 6.3/√3KV Fault current 300A Rated resitance 12Ω Rated time 10S Protection degree IP54 Dimension 850*1010*1500mm 
DNGR6.3-400-9.09-10-23 Rated Volitage 6.3/√3KV Fault current 400A Rated resitance 9.09Ω Rated time 10S Protection degree IP23 Dimension 900*1300*1800mm 
DNGR6.3-400-9.09-10-23 Rated Volitage 10.5/√3KV Fault current 1000A Rated resitance 6.06Ω Rated time 10S Protection degree IP54 Dimension 900*1010*2000mm 
DNGR10.5-400-15-10-33 Rated Volitage 10.5/√3KV Fault current 400A Rated resitance 15Ω Rated time 10S Protection degree IP33 Dimension 1600*2200*2400mm 
DNGR35-1300-16.5-10-33 Rated Volitage 35/√3KV Fault current 1300A Rated resitance 16.5Ω Rated time 10S Protection degree IP33 Dimension 1600*2600*2400mm Electrical Specifications
ltems Standard Current Range 1-5000A Voitage Range 220V-110KV Value Range 0.5R-1000R Dielectric Strength AC2.5KV-260KV/1min 50Hz IPClass IP00~1P56 Rated Temperature Rise 760℃ Temperature drift 200ppm℃ Application conditions
The operating environment of the DNGR neutral point grounding resistor is in accordance with the provisions of DL/T593-2006 3.1.
Indoor: Ambient air temperature: +40℃ to -25℃;
Altitude ≤ 3000m;
Minimum nominal creepage distance: Ceramic ≥ 18mm/kV, Organic material ≥ 20mm/kV;
Outdoor: Ambient air temperature: +40℃ to -35℃;
Altitude ≤ 3000m;
Minimum nominal creepage distance: Grade III, Ceramic ≥ 18mm/kV, Organic material ≥ 20mm/kV; Note: When exceeding the normal operating conditions, it shall be determined through consultation between the user and the manufacturer.
Characleristics
◎Unique steel mesh structure design: Facilitates heat dissipation;
◎The thermal capacity of the resistors is large: Through a unique processing method, the rated power of a single resistor sheet can reach 1200 watts;
◎The resistance deviation is small: The manufacturing tolerance of the resistor sheet can be less than ±5%;
◎The resistance value adjustment range of the resistor sheet is wide: The single sheet range is 0.005 to 11.7Ω;
◎The insulation performance of the resistor sheet is strong: The resistance BANK and the supporting components can withstand a maximum voltage of 20KV;
◎The resistance value change rate at high temperature is small: The resistor sheet uses imported stainless steel material from abroad, with a low temperature coefficient, and the temperature-dependent resistance value change rate can be no higher than 20%;
◎Strong vibration resistance: The resistor sheets are linked by stainless steel bolts, with strong vibration resistance;
◎Strong corrosion resistance: The resistor sheet uses high-temperature alloy material, with extremely strong corrosion resistance;
◎High cost performance: Compact structure, adjustable number of resistor sheets, high cost performance.
Type Specification
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