
| 11KV计量装置(地面安装) | ||||||
| Specification Type | Description | ESCOM’s Requirements | Yes/No | |||
| System 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 | 11kV±6% | ||||
| System frequency 系统频率 | 50Hz±2.5% | |||||
| Ambient temperature range 环境温度 | -5℃ to + 45℃ | |||||
| Altitude: metres above sea level 海拔 | 1800 | |||||
| Relative 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 555 | ||||
| Configuration Detail 配置细节 | Configuration 配置 | 3 Ph 4 wires 3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 0.5 | ||||
| Burden 负荷 | 15VA | |||||
| Secondary current 二次电流 | 5A | |||||
| Short time current withstand level-1 sec 短时间耐受电流-1秒 | 4kA | |||||
| CT ratio 电流互感器变比 | 50/100/200/5 | |||||
| Voltage Transformers 电压互感器 | Accuracy精度 | Class 0.5 | ||||
| Burden负荷 | 30 VA | |||||
| Primary nominal voltage 一次侧额定电压 | 11kV | |||||
| 一次侧熔断器 | 11KV 0.5A | |||||
| Secondary nominal voltage 二次侧额定电压 | 110V | |||||
| 二次侧熔断器 | 110V 5A | |||||
| Insulation 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 | 95kV 28kV | |||||
| Rated voltage factor额定电压因数 : continuous连续 30 seconds 30秒 | 1.2 * Un 1.9* Un | |||||
| Housing 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 2 | ||||
| Cable termination and enclosure 电缆终端和外壳 | Bushing specification 套管规格 | BS7215 | ||||
| Bushing type套管型号 | Type C 630A with M16*2 thread size C型 630A 螺纹尺寸:M16*2 | |||||
| Creepage漏电 | Per BS7215 按照BS7215标准 | |||||
| Removable gland plate 可移动密封板 | Yes | |||||
| Boss to be provided for cable earthing 备有电缆接地接点 | Yes | |||||
| Incoming cable requirements进线要求 A)3* single core/1* three core 3*单芯/1*三芯 | 1* three core 1*三芯 | |||||
| Cable material 电缆材料 | Copper铜 | |||||
| Size of cross section截面积 | Up to 120 mm2 高达120 mm2 | |||||
| Type of cable 电缆类型 | PILC/XLPE | |||||
| Compression gland required 要求提供压缩密封套 | Yes | |||||
| Minimum distance from gland plate to centre line of bushing 盖板到套管中心线的最小距离 | 600mm | |||||
| General 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 | YES | |||||
| HV bushings phase sequence marking 高压套管相位序列标志 | YES | |||||
| CT & 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 | Comply | |||||
| Test block to have provision for shorting links 有提供连接器的测试接线盒 | Comply | |||||
| Phase 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 | Comply | ||||
| Documentation资料 | Number of copies of all drawings and wiring diagrams to be submitted with tender 外观尺寸和接线图 | 2 | ||||
| Number of copies of all type test certificates to be submitted with tender型式测试报告 | 1 | |||||
| Tests 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 | Comply | |||||
| VT 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 | Comply | |||||
| Bushing 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 | Comply | |||||
| Temperature 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:IEC60044-2 | Comply | |||||
| Routine 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:IEC60044-2 | Comply | |||||
| Power 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:IEC60044-2 | Comply | |||||
| Voltage withstand tests耐压试验 | Comply | |||||
| Temperature 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:IEC60044-2 | Comply | |||||
| Rating and diagram plate information 标定和面板信息 | Manufacturers name 厂商名字 | Comply | ||||
| Years of manufacture 生产年份 | Comply | |||||
| Serial number 序列号 | Comply | |||||
| Primary and secondary voltages 一次侧和二次侧电压 | Comply | |||||
| Current ratios available 可用的电流变比 | Comply | |||||
| Ratio connection table 比率连接表格 | Comply | |||||
| Accuracy class (VTs and each of CT ratios) 精确度等级(电压互感器和每个CT变比) | Comply | |||||
| Burden (VTs and CTs) 负荷(电压互感器和电流互感器) | Comply | |||||
| Wiring diagram indicating terminal labelling 指示端子标记的接线图 | Comply | |||||
| Show source and load sides on diagram plate 在图板上显示电源和负载方向 | Comply | |||||
| Insulation 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) | Comply | |||||
| The rated voltage factor of the VTs 电压互感器的额定电压因数 | Comply | |||||
| The bushing creepage distance 套管爬电距离 | Comply | |||||
| Total mass of the unit 总重量 | Comply | |||||
| ESCOM indent number ESCOM订单号 | Comply | |||||
| 其它特殊说明 | 使用环境:户外型和落地安装方式。 | Comply | ||||
| 进出线箱和二次接线箱用于穿电缆的底板做成活动可拆卸的以及不用在活动底板上打孔,客户自己 打电缆穿线孔。 | Comply | |||||
| 进出线箱和二次接线箱都需要接地。 | Comply | |||||
| VT每一相上应有一个线圈,也就是说计量箱是3VT和2CT的计量箱 | Comply | |||||
| 在计量箱外壳和接线柱上分别要做A、B、C、P2标记,接线柱上已经有了,增加计量箱外壳的标记 | Comply | |||||
| 需要提供产品的技术规格书和图纸确认 | Comply | |||||
| 实物图片,供参考: | ||||||
