Products

GZDW Intelligent High Frequency Switching DC Power Supply

GZDW intelligent high-frequency switching DC power supply (microcomputer control) is used in large, medium and small power plants and substations as the DC power supply required for high-voltage switch switching, relay protection, automatic control, accident lighting, lighting and sound signals under normal operation and accident conditions; it can also be used in metallurgy, railway, mining, petrochemical, post and telecommunications, communications, medical and health, banks, hotels, high-rise buildings and computer networks and other industries required for DC power supply; microcomputer control DC power supply cabinet can be used for unattended, remote centralized monitoring of power plants, substations and other industries. This product complies with JB/T5777.4-2000 "General Technical Conditions and Safety Requirements for DC Power Supply Equipment in Power System.

Category:

Low-Voltage Switchgear

Tel:

+86-370-2020101

E-mail:

1074477171@qq.com

Inquiry

Introduction

Product overview

Model and meaning

Main technical parameters

◆ 1. Input power supply voltage: three-phase AC 380V ± 10%,50Hz ± 5%;

◆ 2. Output DC voltage rating: 48V;110V;220V;

◆ 3. Output DC current rating: 5A,8A,10A,15A,20A,30A,40A,50A;

◆ 4. Rated capacity of battery: 10Ah,20Ah,38Ah,40Ah,50Ah,60Ah,65Ah,100Ah,150Ah,200Ah,250Ah,300Ah (Note: Special conditions can be negotiated).

◆ 5. Range of voltage regulation table:

Voltage regulation table range
Output DC voltage rating	48V	110V	220V
Floating voltage adjustment range	43 57	99 130	198 260
Average charging voltage adjustment range	54 62	125 140	198 286
Main charging voltage regulation range	43 70	99162	187 310

◆ 6. Output DC current regulation range: 0~100% of the rated value;

◆ 7. Voltage stabilization accuracy:<± 1%;

◆ 8. Accuracy of steady flow:<± 1%;

◆ 9, working mode: continuous work;

◆ 10. Efficiency:>90%;

◆ 11. Protection grade: IP20-HP30.

Use of environmental conditions

◆ 1. Altitude: 2000m and below (if it exceeds 2000m, it can be settled through negotiation with our company);

◆ 2. Ambient temperature:-5 ℃ ~ 40 ℃;

◆ 3. Relative humidity: the daily average value is not more than 85%(+25 ℃);

◆ 4, special conditions can be negotiated with the company to solve

◆ 5. The scope of application of different specifications is shown in the following table:

Product Model	Serial Number Description	Specification (type) Scope of application
GZDW-30-Mouth/Mouth	Single battery, single bus section, two two-wire output charging floating charging device, no step-down circuit	10 Power plant or large substation
GZDW-31-Mouth/Mouth	Single battery, single bus, two two-wire output charging floating charging device, no step-down circuit	10 Power plant or large substation
GZDW-32-Mouth/Mouth	Single battery, single bus section, two two-wire output charging floating charging device	20 12KV-220kV substations and small and medium-sized power plants
GZDW-33-Mouth/Mouth	Single battery, double bus, two double-wire output charging floating charging device	20 12kV-220kV substations and small and medium-sized power plants
GZDW-34-Mouth/Mouth	Single battery, double bus section, two three-wire output charging floating charging device	20 12kV-220kV substations and small and medium-sized power plants
GZDW-35-Mouth/Mouth	Single battery, double bus, two three-wire output charging floating charging device	20 12kV-220kV substations and small and medium-sized power plants
GZDW-40-Mouth/Mouth	Double battery, single bus section, two two-wire output charging floating charging device, no step-down circuit	10 Important power plants or large substations
GZDW-41-Mouth/Mouth	Double battery, double bus, two two-line output charging floating charging device	12 12kV-220kV substations and small and medium-sized power plants
GZDW-42-Mouth/Mouth	Single battery, double bus section, three two-wire output charging floating charging device	10 Important power plants or large substations
GZDW-43-Mouth/Mouth	Single battery, double bus, two double-wire output charging floating charging device	12 12kV-220kV substations and small and medium-sized power plants