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document.writeln("The power supply in SIP is served by SIP Electricity Supply Department of Suzhou Electricity Supply Co. which belongs to Jiangsu Power Co. This department is also responsible for supplying electricity for the area east to Xiangmen River, Suzhou Industrial Park, Loufeng. Shengpu, Weiting, and Kuatang town.<br><br><font color=#666666><b>Electricity Supply Method and Quality </font></b> <br><br>1, Rated Frequency of electricity supply is alternating current 50Hz<br><br>2, Rated Voltage of electricity supply is:<br><br>low voltage supply: 220V (one-phase), 380V (three-phase)<br>high voltage supply: 10kV, 20 kV (within the 70 sq km Sino-Singapore zone), 35(63)kV, 110kV, 220kV. <br><br><br>3, Under normal circumstances, voltage tolerance between electricity supply and user is:<br><br>+-10% of rated value while supply voltage is above 35kV<br>+-7% of rated value while supply voltage is less than 10kV three-phase.<br>+7%,-10% of rated value while supply voltage is 220V (one-phase).<br><br>4, SIP is part of Huadong (Eastern China) power grid, the tolerance of electricity supply frequency is:<br><br>+-0.2Hz normally.<br>+-1.0Hz when the power system is off normal.<br><br>5, Distortion rate of sine wave in common connection point of electricity network and harmonic current infused into the network by users meets state specification GB/T14549-93.<br><br>6, Voltage fluctuation and flicker<br>The rate of voltage fluctuation is in accordance with GB12326-90.");
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