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Afghanistan GZDW DC power supply cabinet
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Product Description
Product overview
GZDW DC power supply cabinet is used in large, medium and small power plants and substations. It is used as the DC power supply required for high-voltage switch switching, relay protection, automatic control, accident lighting, lighting and audio signals under normal operation and accident conditions. It can also be used in metallurgy, railways, mines, petrochemicals, post and telecommunications, communications, medical and health, banks, hotels, high-rise buildings, computer networks and other industries; microcomputer control DC power supply cabinet can be used for unattended, remote centralized monitoring of power plants, substations and other industries DC power supply.
This product load JB/T5777 4-2000 "power system DC power supply equipment general technical conditions and safety requirements" standard.
Model and meaning
GZDW-□□
G: Cabinet
Z: DC power supply
D: power system
W: Microcomputer control type
□: Battery capacity
□: voltage class
Conditions of use
Altitude: not more than 2000m;
◇ Ambient temperature:-5 ℃ ~ 40 ℃;
◇ Relative humidity: not more than 90% (at 20+5 ℃);
Note:When ordering this product beyond the above conditions, please consult with our company.
Technical parameters
◇ Input current and voltage: three-phase AC 380V + 10%,50Hz5%;
Output DC voltage rating: 24v;48v;110v;220v;
Output DC current rating: 5A,8A,10A,15A,20A,30A,40A,50A,80A,100A,150A,200A,250A;
Rated capacity of battery: 10Ah,20Ah,38Ah,40Ah,50Ah,60Ah,65Ah,80Ah,100Ah,150Ah,200Ah,250Ah,300Ah,400Ah;
◇ Voltage regulation range: see Table 1
Output DC current regulation range: rated 0~100%
◇ Stability accuracy:<± 1%
◇ Steady flow accuracy:<± 1%
◇ Ripple coefficient:<1%
The whole noise:<55dB;
Temperature rise of main transformer: 70 ℃;
Working mode: continuous work;
Efficiency:>90%;
◇ Protection grade: IP20 ~ IP30;
Main functions
◇ Complete specifications: This series of products has ten models and hundreds of specifications, which can fully meet the needs of large, medium and small power plants, substations and various industries for DC power supply;
◇ Reliable operation: AC dual-channel automatic switching, the product is equipped with two charging floating charging devices for each other, the system is convenient to switch;
Stable operation: the product has good anti-interference performance, high precision, small ripple coefficient;
◇ Long battery life: The product can be strictly in accordance with the battery charging curve on the battery charging, floating charge, to avoid overshoot or undershoot phenomenon, microcomputer control type with battery inspection function;
◇ Multiple protection: The product can track and detect each working point, combine software and hardware protection, and check the insulation status of the bus at any time by the insulation detection device;
◇ Sports communication: The microcomputer-controlled DC power supply cabinet can communicate with the upper microcomputer, which can realize centralized monitoring and unattended.
| Output DC voltage rating | 24V | 48V | 110V | 220V |
| Floating voltage adjustment range | 21-28 | 43-57 | 99-130 | 198-260 |
| Average charging voltage adjustment range | 27-31 | 54-62 | 125-140 | 198-286 |
| Main charging voltage regulation range | 21-36 | 43-70 | 99-162 | 187-310 |