概述   Outline

GGD 交流低壓固定式成套開關設備適用于發電廠、變電站、廠礦企業等電力用戶的交流 50Hz，額定工作電壓 380V，額定電流至 3150A 以下的配 電系統中作為動力、照明及配電設備的電能轉換、分配和控制之用。 

該產品具有分斷能力高、動熱穩定性好、電氣方案靈活、組合方便、系列性實用性強、結構新穎、防護等級高等特點。 

GGD 交流低壓配電柜符合 IEC439《低壓成套開關設備和控制設備》及 GB7251.1《低壓成套開關設備》等標準。

GGD AC LV fixed type switchgear is applicable to the distribution system with AC 50Hz, rated working voltage 380V, rated current to 3150A below in power station, substation, plant enter-prise etc., used for power transfer, distribution and control for power, lighting and distribution devices. 

The product has characteristics of high breaking capacity, fine dynamic and thermal stability, flexible electric project, convenient combination, better serial practicability, novel structure and high protection grade etc.

It accords with the standards IEC439 “Low voltage complete switch device and control device” and GB7251.1 “Low voltage complete switch device”etc.

主要特點   Main feature

1. GGD 交流低壓配電柜的柜體采用通用柜形式。構架用 8MF 冷彎型鋼局部焊接組裝而成。構架零件及專用配套零件由型鋼定點生產廠配套，以保證柜 體的精度和質量。通用柜的零部件按模塊原理設計，并有 20 模的安裝孔，通用系數高。 

2. 充分考慮到柜體運行中的散熱，在柜體上下兩端均有不同數量的散熱槽孔。 

3. 按現代工業產品造型設計要求，采用黃金分割比的方法設計柜體外形和各部分的分割尺寸，使整柜美觀大方。 

4. 柜門用轉軸式活動鉸鏈與構架相連，安裝、拆卸方便。門的折邊處均嵌有一根山型緣膠條，關門時門與構架之間的嵌條有一定的壓縮行程，能防止 門與柜體直接碰撞，也提高了門的防護等級。 

5. 裝有電器元件的儀表門用多股軟銅線與構架相連。柜內的安裝件與構架間用滾花螺釘連接，整柜構成完整的接地保護電路。 

6. 柜體頂蓋在需要時可拆除，便于現場主母線的裝配和調整，柜頂的四角裝有吊環，用于起吊和裝運。 

7. 柜體的防護等級為 IP30，用戶可根據環境的需要在 IP20~IP40 之間選擇。

1. The body of GGD AC LV fixed type switchgear adopts universal cabinet type. Framework is assembled with 8MF cold bending bar steel through part welding. Framework components and special mating elements are matched by bar steel pointed manufactory for ensuring the precision and quality of cabinet. Components of universal cabinet is designed according to module principle,and with 20 modulus mounting hole and high universal coefficient. 

2. Completely in view of the heat rejection during cabinet running. Heat rejection slots of different quantities are installed in upper and underside both ends of cabinet. 

3. According to the requirements on mold design for modern industry products, adopting the method of golden mean ratio to design cabinet outline and parting dimensions of each part, to make the whole cabinet beautiful and decent. 

4. Cabinet gate is connected with framework with rotation axis type movable hinge. With convenient installation and disassembly. One mount type rubber strip is set in edge fold of gate. Filler rod between gate and framework has certain compression stroke when closing the gate. It can prevent gate from impacting cabinet directly and also advance the protection grade for gate. 

5. Connect the meter gate set with electrical components with framework by multistrand soft copper wire.Connect the mounting pieces inside the cabinet with framework by knurled screws.The whole cabinet constructs complete earthing protective circuit. 

6. Top cover of cabinet can be disassembled if necessary for convenience to the assembly and adjustment for main bus bar at site. Four squares of cabinet are set with slinger for hoisting and shipping. 

7. Protection grade of cabinet: IP30. User can choose within IP20~IP40 according to environmental requirements.

主要技術參數  The main technical parameters

使用環境條件   Use environmental conditions

1. 周圍空氣溫度不高于 +40℃，不低于 -5℃，并且 24h 內其平均溫度不高于 +35℃。 

2. 戶內安裝使用，使用地點的海拔高度不超過 2000 米。 

3. 周圍空氣相對濕度在高溫 +40℃時不超過 50%，在較低溫度時允許有較大的相對濕度，例如 +20℃時為 90%，應考慮到溫度變化，可能會偶然產生凝露的影響。 

4. 設備安裝時與垂直面的傾斜度不超過 5°。 

5. 設備安裝在無劇烈震動和沖擊的地方，以及不足以使電器元件受到腐蝕的場所。 

6. 用戶有其它要求時可與制造廠協商。

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

2. Install and use indoors. Altitude above sea level for operation site should not exceed 2000M. 

3. Relative humidity should not exceed 50% at max temperature +40 ℃ . 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. 

4. Installation gradient not exceed 5° . 

5. Install in the places without fierce vibration and shock and the sites insufficient to erode the electrical components. 

6. Any specific requirement, consult with manufactory.

內部結構    Internal structure