高压计量箱要求.doc

11 KV Metering Unit(Ground Mounted)11KV计量装置（地面安装）Specification TypeDescriptionESCOMs RequirementsYes/NoSystem and Environmental Parameters系统和环境参数Rated system frequency r.m.s phase-phase voltage系统在额定频率下r.m.s相相电压11kV6%System frequency 系统频率50Hz2.5%Ambient temperature range 环境温度-5 to + 45Altitude: metres above sea level 海拔1800Relative humidity 相对湿度95%Insulation Medium绝缘介质Primary insulation medium for CTs and VTs电流和电压互感器的主绝缘介质Oil-SABS 555Configuration Detail配置细节Configuration 配置3 Ph 4 wires3相4线VT primary star point earthing电压互感器主点接地Yes-internal是的-内置VT secondary star point earthing电压互感器次点接地Yes-internal是的-内置Current Transformers电流互感器Accuracy精度Class 0.5Burden 负荷15VASecondary current 二次电流5AShort time current withstand level-1 sec短时间耐受电流-1秒4kACT ratio 电流互感器变比50/100/200/5Voltage Transformers电压互感器Accuracy精度Class 0.5Burden负荷30 VAPrimary nominal voltage一次侧额定电压11kV一次侧熔断器11KV 0.5ASecondary nominal voltage二次侧额定电压110V二次侧熔断器110V 5AInsulation levels: 绝缘标准Lightning impulse peak withstand耐雷水平（最高值）Rated short duration power-frequency r.m.s withstand voltage-60 sec额定短时工频耐受电压-60秒95kV28kVRated voltage factor额定电压因数 : continuous连续30 seconds 30秒1.2 * Un1.9* UnHousing and Corrosion Protection壳体和防腐蚀保护Inland- mild steel内陆-软钢 (低碳钢)Colour-Grey颜色：灰色Class 2Cable termination and enclosure电缆终端和外壳Bushing specification 套管规格BS7215Bushing type套管型号Type C 630A with M16*2 thread sizeC型 630A螺纹尺寸：M16*2Creepage漏电Per BS7215按照BS7215标准Removable gland plate 可移动密封板YesBoss to be provided for cable earthing 备有电缆接地接点YesIncoming cable requirements进线要求A) 3* single core/1* three core3*单芯/1*三芯1* three core1*三芯Cable material 电缆材料Copper铜Size of cross section截面积Up to 120 mm2高达120 mm2Type of cable 电缆类型PILC/XLPECompression gland required 要求提供压缩密封套YesMinimum distance from gland plate to centre line of bushing盖板到套管中心线的最小距离600mmGeneral Requirements一般要求Mass of unit(kg) 总重量*Terminal box removable gland plate with pre-punched spot welded knock-out接线盒带有预先穿孔无焊接的可移动密封板译者注：此处翻译不确定External earth terminal provided提供外部接地端子YESHV bushings phase sequence marking高压套管相位序列标志YESCT & VT wiring to be terminated to a test block电流互感器和电压互感器接线终止于测试接线盒ComplyTest block to have provision for shorting links有提供连接器的测试接线盒ComplyPhase Connection相连接For three phase direct connection using cables of up to 16 mm2对于三相直接接入的，使用高达16mm2的电缆ComplyDocumentation资料Number of copies of all drawings and wiring diagrams to be submitted with tender 外观尺寸和接线图2Number of copies of all type test certificates to be submitted with tender型式测试报告1Tests测试Type tests: 型式测试CT short-time current test to IEC60044-1 (Provide report ref. no.)根据IEC60044-1标准做的电流互感器短时电流测试Insulation tests (Provide report ref. no.)绝缘测试ComplyVT short circuit current withstand test to ICE60044-2 (Provide report ref. no.)根据IEC60044-2标准做的电压互感器短路耐受电流测试ComplyBushing pollution tests using aging test (5000h) to SABA IEC61109 (Provide report ref. no.)根据SABA IEC61109标准，使用老化测试（5000小时）进行套管污染测试ComplyTemperature rise tests to IEC 60044-1 for CTs and IEC442 for VTs电流互感器升温测试：IEC 60044-1电压互感器升温测试：IEC60044-2ComplyRoutine tests:常规测试Lighting impulse test to IEC 60044-1 for CTs and to IEC60044-2 for VTs雷电冲击试验电流互感器：IEC 60044-1电压互感器：IEC60044-2ComplyPower frequency withstand test to IEC60044-1 for CTs and to IEC60044-2 for VTs工频承受试验电流互感器：IEC 60044-1电压互感器：IEC60044-2ComplyVoltage withstand tests耐压试验ComplyTemperature rise test to IEC60044-1 for CTs and to IEC60044-2 for VTs电流互感器升温测试：IEC 60044-1电压互感器升温测试：IEC60044-2ComplyRating and diagram plate information标定和面板信息Manufacturers name 厂商名字ComplyYears of manufacture 生产年份ComplySerial number 序列号ComplyPrimary and secondary voltages 一次侧和二次侧电压ComplyCurrent ratios available 可用的电流变比ComplyRatio connection table比率连接表格ComplyAccuracy class (VTs and each of CT ratios)精确度等级（电压互感器和每个CT变比）ComplyBurden (VTs and CTs)负荷（电压互感器和电流互感器）ComplyWiring diagram indicating terminal labelling指示端子标记的接线图ComplyShow source and load sides on diagram plate在图板上显示电源和负载方向ComplyInsulation test levels (BIL and short-time power frequency r.m.s withstand voltage)绝缘试验等级（BIL和短时工频r.m.s耐受电压）ComplyThe rated voltage factor of the VTs电压互感器的额定电压因数ComplyThe bushing creepage distance套管爬电距离ComplyTotal mass of the unit 总重量ComplyESCOM indent numberESCOM订单号Comply 其它特殊说明使用环境