文档介绍:11 KV Metering Unit(Ground Mounted)
11KV计量装置(地面安装)
Specification Type
Description
’s Requirements
Yes/No
System and Environmental Parameters
系统和环境参数
Rated system frequency phase-phase voltage
11kV±6%
System frequency 系统频率
50Hz±%
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
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
Burden负荷
30 VA
Primary nominal voltage
一次侧额定电压
11kV
一次侧熔断器
11KV
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 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
* Un
* 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