Shenzhen Zenithsun Electronics Tech.CO.,LTD
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40KW40R Water Cooled Resistor Banks For Emergency Stand-By Power Systems
Structure
1.High Power,small size,water circulation cooled,low temperature,eliminates the high cost of traditional deionized water.
2.It is circularly cooled by flowing tap water (or distilled water or other liquid),eliminates the high cost of traditional deionized water.
3.High power,small size,stable operation,high insulation,good sealing,low temperature and long service life.
4.Power Range:1kW - 5MW (others on request).
5.Multiple safety protection functions :short circuit,over-current,over-voltage,over-load,over temperature,fan fault,audible and visual alarm device, etc.
7.For non-standard technical requirements and custom special applications,please contact us to discuss the details.
Features
1.ZENITHSUN water cooled resistor owning great electrical characteristics,solid structure,safety,easy installation,low temperature,high power,great insulation,stability and durable, ect.
2.As the ordinary tap water as cooling carrier, eliminating the traditional way of deionized water high cost.
3.Water cooled resistors circularly cooled by flowing tap water (or distilled water or other liquid),replacement the high cost traditional deionized water.
4.The water-cooled unit can be installed indoors in a controlled environment versus an outdoor installation which is exposed to the elements.
5.The water-cooled Load Bank operates at much lower temperatures than an air-cooled unit.
Specificaiton
| Performance Charactertics | ||
| Test | Conditions of Test | Testing Results |
| Resistance Tolerance | Testing Voltage ≤3V,Ambient Temperature 25℃ | F---G---J--K |
| Temperature Coefficients | R0:Room Temperature(T0)Resistance Value R1:Room Temperature T0+100℃(T1)Resistance Value | ±100～±250PPM/℃ |
| Rated Load | 40℃,rated voltage,1H | △R≤±(3％+0.1Ω) |
| Short Time Overload | 5 times rated power for 10s;10 times rated power for 5s;25 times rated power for 1s | △R≤±(2％+0.1Ω) |
| Dielectric Withstand Voltage | 2 times Rated Power Voltage +1kv AC 60s (with grounding), leakage current 2.5mA ; 2 times Rated Power Voltage +2kv AC 60s (with grounding), leakage current 2.5mA ; | △R≤±(0.1％+0.05Ω) |
| Insulation Resistance | 1000V DC | 50M-1000MΩ1Min |
| Terminal Tensile Strength | wire diameter ≤1.5 with 20N,wire diameter ≥1.5 with 40N,terminal tension 20N copper end /stainless steel end,40N | No off |
| Vibration resistance | 1.5mm,10-55-10Hz,each 2hours | No damage,No off |
| Load Life | at rated voltage,90 min "On",30 min "Off" ,total 500hours | △R≤±(3％+0.1Ω) |
| Thermal Shock | At 30℃,30min,-55℃,15min | △R≤±(0.5％+0.1Ω) |
| Humidity Resistance | Temp.:40±2℃ ,Humidity: 90％-95％.240hours | △R≤±(3％+0.1Ω) |
| Low Temperature Resistance Testing | store at -65℃±3℃ for 2H | △R≤±(1%+0.1Ω) |
| High Temperature Resistance Testing | store at 70 ℃± 2 ℃ for 16h, connect the rated voltage DC circuit for 1s | △R≤±(1%+0.1Ω) |
| Non-flammability | 10 times rated power, power on for 5s | without combustion |
Applications
Widely used in in test equipment,such as generator load, charging pile test,battery test,aging of communication equipment, UPS,DCDC,etc.
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