GGJ
概述Overview
該產品適用于發電廠、變電站、工礦企業等電力用戶交流50Hz，額定工作電壓380V,額定工作電流31 50A的配電系統中，作為動力.照明及配電設備的電能轉換、分配與控制之用。產品具有分斷能力高、動熱穩定性好、適用性強等特點。
The product is suitable for power conversion,distribution and control of power,lighting and power distribution equipment in power distribution system such as power
plant,substation,industrial and mining enterprises and other power users with Ac 50Hz,rated working voltage 380V and rated working current 3150A.Products with high breaking capacity,good dynamic and thermal stability,applicability and other characteristics.
產品特點Product Features
1、用于低壓電網，靠近用戶負載，采用智能投切儀的無功功率補償技術，不需附加緩沖電感，可直接將電容器投人電網，實現了高可靠性、高效性。
2、采用計算機數字化控制技術，對三相對稱或非對稱供電線路中的無功功率進行實時、動態跟蹤補償，使功率因數始終保持在0,9以上(或按用戶要求）。在電網電壓高低不同時采用不同的補償算法以確保不發生欠補償和過補償（過補償會引起電網電壓升高）；
3、抗干擾能力特強，能抵御從電源直接輸入的2000V干擾脈沖。
4、輸出電路采用先接通先分斷，先分斷先接通的循環工作方式或按要求的其他編碼方式。
5、有過電壓判斷，快速逐級切除補償電容的功能，切除全部電容的時間小于1分鐘。
6、有超低負荷判斷、顯示、封鎖功能，防止投切振蕩。
7、對電網過補償，欠補償情況都能顯示并自動作出相應處理。
8、電流取樣信號可直接從回路中串聯取出，其輸入阻抗小于0.05Ω，無需另加電流互感器。
1.For low-voltage power grid,close to the user load,thyse of intelligent switching deMce readive wer compensatiorl technology without addtionaI buffer inductour,capacitors can be directly into the grid,to achiee a high reliability,high efficiency;
2.The use of computer digital control technology,three-phase symmeMcal or asymmetrical pawer supply lines in real-time,dynamic Irackind compensation,the power factor is always maintained at 0.9 or more(or according to user requirements)+When the grid voltage is different,different compensation a gorllhms are adopted to ensure that no under-compensation and over-compensation will occur(over-compensation will cause the grid voltage to rise)
3.strong anti-interference abiliw,able to resist the direct input from the power 2000V interference pulse.
4.The output circuit first connected to the first break,the first cut off the cycle of work or other encoding required.
5.There is over-voltage judgment,fast step-by-step removal of compensation capacitor function all the capacitor removal time is less than 1 minute
6.Itra-low load judgments,display,blockade function to prevent switching oscillauon.
7.The grid over compensation,compensation can display and automatically compensate for the corresponding treatment.
8.the current sampling signal can be directly removed from the loop in series,the input impedance is less than 0.050 without add tiona current transfomer.
使用條件Conditions of Use
環境溫度：不高于+55℃，不低于-25℃，24h平均溫度不高于+35℃;
相對濕度：溫度為+25℃時，≥90%；
海拔高度：海拔高度不超過2000m；
工作場所：周圍介質無易燃、無爆炸、無導電塵埃以及無足以損壞絕緣的介質；
安裝地點：無劇烈振動及顛簸，安裝傾斜度不大于5%；
電壓波動范圍：不超過額定工作電壓的±15%。
Ambient temperature：not more than+55℃,not less than-25°C,24h the average temperture is not higher than+35℃
Relative humidity：When the temperature is+25°C,≥90%；
Altitude:not more than 2000m above sea level
Workplace:the surrounding medium is no flammable,no explosion,no conductive dust end no enough to damage the insulation medium
Installation:no severe vibration and bumps,the installation gradient of not more than 5%；
Voltage fltjctuation range:not more than±15%of the rated operating voltage。
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