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威尼斯网站网址:GGD AC low voltage distribution cabinet

Categories:Electric energy metering box
Features:Ambient air temperature is not higher than +40 DEG C below -5 DEG C. Within 24 hours the average temperature shall not be higher than +35 degrees celsius.
Indoor use. The altitude of the place of use shall not exceed 2000m.
Customized According Requirements
Hotline:+86-158-6418-2605

威尼斯网站网址:Details

威尼斯网站网址:Product overview

Type GGD AC low voltage distribution cabinet for power plants, substations, industrial enterprises and other power users in AC 50Hz, rated voltage 380V, rated current to 3150A distribution system, lighting and power distribution equipment as power conversion, distribution and control purposes.

GGD AC low-voltage distribution cabinet in accordance with the requirements of the competent department of energy and the majority of users and design departments, in line with the principles of safety, economy, reasonable and reliable design of the new low-voltage distribution cabinet. The product has a high breaking capacity, good thermal stability, electrical scheme flexible, convenient combination, series resistance, strong practicability, novel structure, high level of protection can be used as a replacement of low voltage switchgear products。

GGD AC low voltage distribution cabinet conforms to IE439 "low voltage switchgear equipment", GB7251 "low voltage switchgear" standard.

 

威尼斯网站网址:Normal working environment

1、Ambient air temperature is not higher than +40 DEG C below -5 DEG C.   within 24 hours, the average temperature shall not be higher than +35 DEG C, when more than, according to the actual situation to reduce capacity operation.

2、Indoor use. The altitude of the place of use shall not exceed 2000m.

3、The relative humidity of the surrounding air is not more than 50% when the maximum temperature is +40 DEG C, and the relative humidity is allowed at a lower temperature. For example, +20 is 90%.     consideration should be given to the effect of condensation due to changes in temperature.

4、Installation of the device and the vertical surface of the tilt of not more than 50, and the whole set of counters relatively flat (in line with the GBJ232-82 standard)

5、The device shall be installed in a place where there is no severe vibration and shock, and insufficient to make the electrical components corrode.

6、When the user has special requirements, can be negotiated with the manufacturer.

威尼斯网站网址:Basic electrical parameters

 

1、Main circuit scheme

The main circuit of the GGD cabinet is designed with 129 schemes, including 298 specifications (not including the function change of auxiliary circuit and the change of control voltage.

Among them: GGD1 49 programs   123 specifications;

GGD2 53 program   107 specification

GGD3 27 program   68 specification;

The main circuit scheme is for the design and use of the views of selected departments, increase the power plant need to plan. Rated current to 3150A, suitable for 2000KVA and below distribution transformer selection.

In addition, in order to meet the need of reactive power compensation, the GGJ1 and GGJ2 compensation cabinet is designed. The main circuit is 4, which has a total of 12 specifications.

2、Auxiliary circuit scheme

The design of auxiliary circuit is divided into two parts: power supply scheme and power plant project, BGD cabinet will have enough space to install the two components, while NLS has developed LM23D type current transformer for power plant to meet the special needs and user with protection is developed.

3、The main bus

Considering the feasibility and price ratio of aluminum and copper to the rated current of single row aluminum busbar in 1500A and below, rated current is greater than 1500A by double copper busbar, according to the provisions of the prototype production plant and through the test, of course, the production plant can also be based on user requirements will be replaced by copper aluminum busbar the same bus load flow.

威尼斯网站网址:Messages

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All Rights Reserved.
National service hotline:+86 158 6418 2605
Tel: +86(0)534-8120677
Fax: +86(0)534-8120690
Address: Yangxin County, Binzhou City, the town of the town
of Liu Zhou Zhou Development Zone

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