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GGD low voltage switchgear

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SWITCH CABINET

The main circuit of GGD cabinet is designed with 129 schemes and 298 specifications in total (excluding the schemes and specifications derived from the function change of auxiliary circuit and the change of control voltage)

Including: 49 schemes and 123 specifications of GGD1 type

GGD2 has 53 schemes and 107 specifications

GGD3 has 27 schemes and 68 specifications

The main circuit scheme is selected after soliciting the opinions of the majority of design and user departments, which increases the scheme required by the power plant. The rated current is increased to 3200A, which is suitable for distribution transformers of 2000kVA and below. In addition, in order to meet the needs of reactive power compensation, ggj1-gg "2 capacitor compensation cabinet is designed. Its main circuit has 4 schemes and a total of 12 specifications.

The design of auxiliary circuit is divided into power supply scheme and power plant scheme. There is enough space in GGD cabinet to install secondary components

For more information about For more information about GGD low voltage switchgear, please contact us.

TECHNICAL PARAMETER

Parameter
Parameter

 

Type Rated voltage(V) Rated current(A) Rated short-circuit breaking current(KA) Withstand current(KA) Rated peak withstand current(KA)
GGD1 380 1000 600(630) 400 15 15(1S) 30
GGD2 380 1500 1600 1000 30 30(1S) 63
GGD3 380 3150 (2500) 2000 50 50(1S) 105

GGD-05

Product code A B C D
GGD06 600 600 450 556
GGD06A 600 800 450 756
GGD08 800 600 650 556
GGD08A 800 800 650 756
GGD10 1000 600 850 556
GGD10A 1000 800 850 756
GGD12 1200 800 1050 756

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PRODUCT DETAILS

>>    Installation and use                                                                                                                                                / 安装原理
>>   Ordering instructions                                                                                                                                              / 订货须知
>>   Installation scenario                                                                                                                                                / 安装场景
>>   Product characteristics                                                                                                                                           / 产品特性
>>   Service conditions                                                                                                                                                   / 使用条件
>>   Why choose us                                                                                                                                                        / 为什么选择我们

>> GGD low voltage switchgear

◆ the cabinet body of GGD type AC voltage distribution cabinet adopts a general type, and the frame is welded and assembled with 8MF cold-formed section steel. The frame parts and special supporting parts are supplied by the designated manufacturer of section steel to ensure the accuracy and quality of the cabinet body. The parts of the general cabinet are designed according to the module principle, and there are 20 mold mounting holes. The general coefficient is high, which can enable the factory to realize pre production, which not only shortens the production cycle, but also improves the work efficiency.

◆ heat dissipation during cabinet operation shall be fully considered in the design of GGD cabinet. There are different numbers of heat dissipation slots at the upper and lower ends of the cabinet. When the electrical components in the cabinet are heated, the heat rises and is discharged through the upper slot, while the cold air is continuously supplemented into the cabinet from the lower slot, so that the sealed cabinet is formed into a natural air duct from bottom to top to achieve the purpose of heat dissipation

◆ according to the requirements of modern industrial product modeling design, GGD cabinet adopts the method of golden section ratio to design the appearance of the cabinet and the division size of each part, so as to make the whole cabinet beautiful and fresh.

◆ the cabinet door is connected with the frame by a movable chain with a rotating shaft, which is convenient for installation and disassembly. A mountain shaped rubber and plastic strip is embedded at the folding edge of the door. When closing the door, the strip between the door and the frame has a certain compression stroke, which can prevent the direct collision between the door and the cabinet body and improve the protection grade of the door

◆ the instrument door equipped with electrical components is connected with the frame with multi strand soft copper wire, and the mounting parts in the cabinet are connected with the cabinet frame with knurled screws. The whole cabinet forms a complete grounding protection circuit.

◆ the surface of the cabinet is sprayed with plastic, with strong adhesion and good texture. The whole cabinet is in matte color, avoiding the dazzling effect and creating a more comfortable visual environment for the personnel on duty

◆ the top cover of the cabinet can be removed when necessary to facilitate the assembly and adjustment of the main bus on site. The four corners of the cabinet top are equipped with lifting rings for lifting and shipping. The protection grade of the cabinet is | P30, and the user can also choose between IP20 and P40 according to the requirements of the service environment.

GGD-01
GGD-02

Factory direct selling//Non-standard customization//Convenient installation// Fine technology//Careful materials//Flexible operation

>> Installation and use

After the products arrive at the receiving place, they shall first check whether the packaging is intact, and timely notify the relevant departments to find out the reasons if any problems are found. The products that are not installed immediately shall be placed in an appropriate place according to the provisions of normal use conditions.
◆ product installation
The product shall be installed according to the installation diagram, and the foundation channel steel and bolts shall be provided by the user
Self provided. During the installation of the main bus, the overlapping surface shall be repaired and leveled, cleaned, coated with neutral Vaseline or other measures, and then the bolts shall be fastened.
◆ after the product is installed and before it is put into operation, the following items shall be inspected and tested.
◆ check whether the finish paint of the cabinet falls off and whether the cabinet is dry and clean
◆ whether the operating mechanism of electrical components is flexible, and there should be no stagnation or excessive operating force
◆ whether the on-off of main electrical components is reliable and accurate, and whether the on-off of auxiliary contacts is reliable and accurate. ◇ whether the transformation ratio and polarity of instrument indication and transformer are correct
◆ whether the bus connection is good, and whether the insulation support, mounting parts and accessories are installed firmly and reliably.
◆ whether the auxiliary contact meets the requirements and whether the fuse core specification is correct; Whether the setting value of the relay meets the design requirements and whether the action is accurate.
◆ whether the contact of the circuit meets the requirements of the electrical schematic diagram.
◆ whether the protection circuit system meets the requirements.
◇ the insulation resistance measured with a 500 volt megohmmeter shall not be less than 10 megohm.

◆ precautions for use

◇ this product is not installed against the wall, operated on one side (front side) and opened on both sides for maintenance of any voltage distribution cabinet. The maintenance channel and cabinet door of the product can only be entered or opened by qualified professionals for operation, inspection and maintenance
◆ the air circuit breaker, after being closed and opened for many times, will burn the main contact locally and produce carbon substances, which will increase the contact resistance. The air circuit breaker should be maintained and overhauled regularly according to its operation manual
◆ it is forbidden to open and close the disconnector with load. The manufacturer shall provide the following documents and accessories when supplying the factory data and accessories
◆ delivery list
◆ product certificate, factory test report and instruction manual
◆ relevant electrical drawings
◆ instructions for main components
◆ cabinet door key, operating handle and spare parts specified in the contract.

>> Ordering instructions

When ordering, the user shall provide
◆ main circuit distribution system diagram and layout plan, rated working voltage, rated working current, setting current of protection device and necessary technical parameters.
◆ indicate the specifications of incoming and outgoing cables
◆ model, specification and quantity of main electrical components in the switch cabinet.
◆ if bus bridge or bus duct is required between switch cabinets or incoming cabinets, specific requirements such as span and height from the ground shall be indicated
◆ when the switch cabinet is used under special environmental conditions, it shall be explained in detail when ordering. Surface color of switch cabinet and other specific requirements

>> Installation scenario

Port terminal                                                                                                                                                                                            #1
Power plant                                                                                                                                                                                              #2
Steel works                                                                                                                                                                                               #3
Petrochemical Enterprises                                                                                                                                                                     #4

>> Product characteristics

>>NC laser opening standardized bending
>>Carefully selected materials, beautiful appearance, firm and durable
>>The box size / opening / thickness / color / component matching can be customized

>> Service conditions

正常使用条件--一套

1. Altitude: ≤ 2000m;
2. Ambient temperature: - 20 ℃ ≤ 45 ℃;
3. Relative humidity: < 90% at 20 ℃;
4. No inflammable and explosive dangerous goods, chemical corrosion and violent vibration.

>> Why choose us

DESIGN SERVICES

Packaging design and improved product mix have a history of more than 20 years. It is the most important to establish and maintain the unique characteristics and style of products

PRODUCT SAMPLING

Mass production can only start after you approve it

DEVELOPMENT

New product development, different market characteristics and commitment to international trade facilitation, credibility and transparency

AFTER-SALE SERVICE

Customer feedback: actively looking for solutions to problems, professional technical guidance and long-term after-sales service

奖状

COMPANY INTRODUCTION

公司图片
Company profile

       Lawrence Electric Co., Ltd. is a high-tech enterprise focusing on power transmission and distribution products, providing customers with one-stop service of power transmission and distribution products.

        It mainly produces and sells lightning arrester, insulator, fuse, isolation / load switch, SF6 / vacuum circuit breaker, power supply fittings, optical cable fittings, switch cabinet and other transmission and distribution products. The company has production bases and sales centers in Jiangxi, Zhejiang, Uganda, Tanzania and other places.

Nature of Business

        Our products have operated safely in the power supply systems of more than 20 countries and regions around the world for more than 10 years. They are also qualified suppliers of China State Grid and China Southern Power Grid. At present, they have gained a good reputation in the field of power system in the world.

world

        We have received high-quality product recommendation letters from power supply companies in Kenya, Uganda, Tanzania, Zambia, Guinea, Ghana, Togo, Mozambique, Nepal, Guyana, Myanmar and other countries and regions.

Real shooting factory

factory

Conformity inspection

test

Ehibition

xhibition

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企业愿景:成为全球输配电集成供应商
OUR VISION: ONE STOP SERVICE FOR THE GLOBAL DISTRIBUTION AND SUBSTATION ELECTRICAL MATERIALS.
企业价值观:以卓越品质立企业之本,以优质服务得民众之心。
OUR VALUE: SUPERIOR QUALITY BUILDS THE FOUNDATION, EFFICIENT SERVICE WINS CUSTOMER’S CREDIT.
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OUR SPIRIT: FOCUS ON TEAMWORK AND COLLABORATION
BRAVE IN EXPLORATION AND CREATIVITY
NEVER GIVE UP ON ANY COMPANY PERSONNEL
TO CREATE A BRILLIANT TOMORROW TOGETHER
员工行为:倾听,微笑,赞美,坚守承诺,感恩。
CONDUCT CODE: LISTEN, SMILE, PRAISE, APPRECIATE
企业责任:为客户创造价值,为员工创造美好生活,为社会做出应有贡献。
OUR RESPONSIBILITY: MAXIMIZE CUSTOMER’S PROFIT, CREATE GREAT CONDITION FOR STAFF,
MAKE CONTRIBUTIONS TO THE WHOLE WORLD !。

PACKAGING AND TRANSPORTATION

Packaging-and-transportation

SHOPPING INSTRUCIONS

Warranty

We are aware of the quality assurance. If you have any question, please contact the customer service, so as to ensure that you can use them and solve your worries.

About Delivery

The production cycle is generally 10 to 30 working days depending on the product. In case any urgent materials please contanct with us for fast delivery.


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