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----OPEN GROUP HOLDING LTD. is located in Liushi, Wenzhou, Zhejiang Province, China. It faces the 104 National Highway that run-through Zhemin Economic Zone, close to Qili Harbor and Wenzhou Airport on the south, close to the scenic spot Yandang Mountain on the north.

Quality assurance and customer satisfaction lead Open Group's top belief. OPEN GROUP HOLDING LTD. is one of the most professional manufacturers producing low-voltage and high-voltage electrical products, power equipment, cables & wires, etc. Through last 10 years' development,OPEN GROUP HOLDING LTD. has grown up as one of the biggest group companies in China, and the products range includes lightings, and lamp. We have over fifty member factories for the products above, and our products include 1,500 series and more than 15,000 industrial components.

We have precious experiences in exporting our products to the Southeast Asian, Australian, European and the American markets. Our products are well-known greatly due to high quality and reasonable price. After more than 10 years' promotion and service in the world, our products are enjoying a great share in the international market.

To present our customer more considerate service, OPEN GROUP HOLDING LTD. has modernized our production equipment, enhanced production technology and management mode. To form designing, producing, quality checking, selling as an organic whole, from quality control of the input of the raw materials and feedback of the after-sale service, etc., we have introduced TQM and other advanced producing methods to ensure the interest of our customers.

The 21st century is the era of the knowledge economy, full of the fierce competitions of technology and managing mode, but meanwhile, we can tell that there are also so many opportunities to get mutual benefits. Welcome domestic and international friends to cooperate cordially with OPEN GROUP HOLDING LTD. We believe with our best efforts, we can create the prosperity and development for both of our business.

 
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  | Power Transmission & Distribution Equipment >>  Switch cabinet >> GZD(W)
 
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Mostly Purpose
GZD (W) series (microcomputer control) d.c.power supply cabinet applied in large and medium power substation, as normal operation, and the pressure switch points and brake, relay protection and automatic control, lighting, lighting and sound signal for dc power supply, etc. Also can be used in metallurgy, railway. Mine, petrochemical, post and telecommunications, communication, medical and health, bank, hotel, high-rise buildings and computer network industries for dc power supply, Microcomputer control dc power ark can be used for the unattended, remote monitoring of the concentration of substations and other industry, power plant, the dc power supply.
The product conforms to T5777 JB /. 4-2000 the power system, dc power equipment general technical conditions and safety requirements.

Type Meaning 

Product model

Serial number

Specifications (kind of)

Use scope

GZD(W)30-□/□

The aggregate-organ, batteries, single bus, two double charging output device, step-down float charging circuit

10

Plants or large substation

GZD(W)31-□/□

The aggregate-organ, batteries, single bus, two double charging output device, step-down float charging circuit

10

Plants or large substation

GZD(W)32-□/□

The aggregate-organ, batteries, double-bus configuration points, two double battery charging output device. Float

20

12KV ~ 220KV power substation and small

GZD(W)33-□/□

The aggregate-organ, batteries, double generatrix, two double charging output device. Float charging

20

12KV ~ 220KV power substation and small

GZD(W)34-□/□

The aggregate-organ, batteries, double generatrix, two triplet output charge float charging device

20

12KV ~ 220KV power substation and small

GZD(W)35-□/□

The aggregate-organ, batteries, double generatrix, two triplet output charge float charging device

20

12KV ~ 220KV power substation and small

GZD(W)40-□/□

Two pairs of battery, the double-bus configuration points, two double output devices, without charging float charging circuit. Antihypertensive

10

Important plant or large substation

OZD(W)41-□/□

Two pairs of battery, the double-bus configuration, two double battery charging output device. Float

12

12KV ~ 220KV power substation and small

GZD(W)42-□/□

Two pairs of battery, the double-bus configuration points, two double battery charging output device. Float

10

Important plant or large substation

GZD(W)43-□/□

Two pairs of battery, the double-bus configuration, two triplet output charge float charging device

12

12KV ~ 220KV power substation and small

Main function
1 and specifications: this series product has 10 types of hundreds of specifications, can fully satisfy large small-and-middle-scale power plant and substation and industries of dc power demand.
2 and reliable operation: exchange double input switch. This product has two charging, float snake charging device standby, switching system.
3 and stable operation: this product anti-jamming performance is good, steady flow, elegant high precision, small ripple.
4 and battery life long: this product can be in strict accordance with the battery, the battery charge curve of floating charging, avoid to overcharge or owe filling phenomenon. Microcomputer control type possesses battery search function.
5 and multiple protection: this product for each point tracking detection, hardware and software protection. Insulation testing equipment supervisory busbar insulation situation at.
6 and sports communication, microcomputer control dc power supply for computer and on ark of communication, realizing unattended centralized monitoring and.

Technic Parameter 

Input voltage

Three-phase ac380V+-10%50HZ+-5%

Output dc voltage rating

24,48,110,220V

Output dc current ratings

5,8,10,15,20,30,40,50,80,100,150,200,250,300,350,400A

Battery power rating

10,20,38,40,50,60,65,80,100,150,200,250,300,400,500,600,800,1000AH

Voltage regulation scope

Output dc voltage rating

24V

48V

110V

220V

Floating charging pressure regulating scope

21~28

43~57

99~130

198~260

Are charging pressure regulating scope

27~31

54~62

125~140

198~286

The charging pressure regulating scope

21~36

43~70

99~162

187~310

Dc current output adjusting range

Ratings 0 ~ 100%

Voltage accuracy

〈+-1%

Steady flow accuracy

〈+-1%

Ripple coefficient

〈1%

The noise

〈55DB

The main transformer

〈70℃

Working mode

Continuous work

Efficiency,

〉90%

Protective level

IP20~IP30

 

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