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GCS低压抽出式成套开关设备概述 Overview

GCS 低压抽出式成套开关设备（以下称装置）是原国家机械部、电力部联合设计组根据行业主管部门、广大电力用户及设计单位的要求研制出的符合国情、具有较高技术性能指标、能够适应电力市场发展需要并可与现有引进产品竞争的低压抽出式开关柜。该装置一九九六年七月在上海通过了两部联合主持的鉴定，受到生产制造单位和电力使用部门的重视和肯定。

该装置适用于发电厂、石油、化工、冶金、纺织、高层建筑等行业的配电系统。在大型发电厂、石化系统等自动化程度高，要求与计算机接口的场所，作为三相交流50(60)Hz，额定工作电压380V，额定电流4000A 及以下的发、供电系统中的配电、电动机集中控制、无功功率补偿使用的低压套套配电装置。

该装置符合IEC439-1 和GB7251.1 标准。

GCS LV with drawable switchgear(hereinafter referred to as device) is developed according to the requirements from industry competent department, numerous electric users and design unit by original state mechanical department, united design group of power department. It conforms to national conditions and with higher

technical performance index, and adapts the demands for power market development and able to compete with available imported products. The device passed the authentication jointly presided by two departments in July 1996 in Shanghai. It obtains the recognition and affirmation from manufacturing unit and power consumer

construction.

The device is applicable to the distribution system of power station, petroleum, chemical engineering, metallurgy, weaving and tall building industriesetc. In the places with high automaticity and need computer to joint, such as large-scale power station and petrochemical industry system etc, it is the low voltage complete distribution device

used in the generating and power supply system with three-phase AC50(60)Hz, rated working voltage 380V, rated current 4000A and below for distribution, motor central control and reactive power compensation.

The device accords with standards IEC439-1 and GB7251.1.

GCS低压抽出式成套开关设备主要特点 Main feature

1. 主构架采用8MF 型钢，型钢的二侧面分别有模数20mm 和100mm 的f9.2mm 安装孔，内部安装灵活方便。

2. 主构架装配形式设计为两种，全组装式结构和部分（侧框和横梁）焊接式结构，供用户选择。

3. 装置的各功能室相互隔离，其隔室分为功能单元室、母线室和电缆室。各室的作用相对独立。

4. 水平主母线采用柜后平置排列方式，以增强母线抗电动力的能力，是使装置的主电路具备高短路强度能力的基本措施。

5. 电缆隔室的设计使电缆上下进出均十分方便。

1. Main framework adopts 8MF bar steel. Both sides of bar steel is installed with φ9.2mm mounting hole with modulus 20mm and 100mm. Inner installation is flexible and easy.

2. Two types of assembly form design for main framework, full assembly structure and partial (side frame and cross rail) welding structure for user selection.

3. Each function compartment of device is separated mutually. The compartments are divided into function unit compartment, bus bar compartment and cable compartment. Each one hasrelative independent function.

4. Horizontal bus bar adopts cabinet back level placed array pattern for enhancing the capacity of resisting electrodynamic force for bus bar. It is the basic measure for obtaining highshort circuitstrength capacity for main circuit.

5. Cable compartment design makes cable outlet and inlet up and down convenient.

GCS低压抽出式成套开关设备主要技术参数 The main technical parameters

GCS低压抽出式成套开关设备使用环境条件 Use environmental conditions

1. 周围空气温度不高于+40℃，不低于-5℃，并且24h 内平均温度不高于+35℃。

2. 相对湿度在最高温度时不超过50%，在较低温度时允许有较高的相对湿度，例如+20℃时为90%，但应考虑到温度变化，有可能会偶然地产生适度的凝露。

3. 海拔高度不超过2000 米。

4. 安装倾斜不超过5°。

5. 没有粉尘，腐蚀性气体和雨水浸袭的户内。

1. Ambient air temperature: -5℃ ~+40℃ and the average temperature should not exceed +35℃ in 24h.

2. Relative humidity should not exceed 50% at max temperature. Higher relative humidity is allowed at lower temperature. Ex. 90% at +20 ℃ . But in view of the temperature change, it is possible that moderate dews will produce casually.

3. Altitude above sea level should not exceed 2000M.

4. Installation gradient not exceed 5° .

5. Indoor without dust, corrosive gas and rain water attack.

GCS低压抽出式成套开关设备内部结构 Internal structure

GCS低压抽出式成套开关设备一次线路方案 One line plan