Page 18 - 杭州和方电力设备制造有限公司
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HF 功率因数、有功、无功数显表
HF Power Factor, Active Power, Reactive
Power Meter
性能特点 /Feature
◆ 高精度测量单、三相电网的有功功率、无功功率、视在功率; ◆ High precision measurement of single and three phase grid active power,
◆ 提供数码管或液晶显示,本地数据查询; reactive power, apparent power;
◆ 电流、电压变比可编程设置; ◆ Provide digital tube or liquid crystal display, local data query;
◆ 支持 RS-485 通讯,Modbus-RTU 协议; ◆ Current, voltage ratio can be programmed;
◆ 支持开关量输入、开关量输出、模拟量变送输出; ◆ Support RS-485 communication, Modbus-RTU protocol;
◆ 辅助电源:AC/DC 80V~270V、AC220V; ◆ Support the switch input, switch output, analog quantity output send;
◆ 多种外形选择,满足不同柜体电气回路的要求。 ◆ Auxiliary power supply: 80V~270V AC220V;
◆ A variety of form selection, to meet the different requirements of the
electrical cabinet.
技术指标 /Technical Index
有功功率 Active power 0.5 级 level
测量精度 无功功率 Reactive power 0.5 级 level
Accuracy
Measurement 视在功率 Apparent power 0.5 级 level
功率因数 Power factor 0.5 级 level
接线方式 Connection mode 单相、三相四线、三相三线 Single phase, three-phase four wire, three-phase three wire
额定电压 Rated voltage AC 57.7V、AC 100V、AC 220V、AC 380V
额定电流 Rated current AC 1A、AC 5A
信号输入 过负载 Overload 电压:1.2 倍 ( 持续 ),2 倍 /1 秒 ( 瞬时 ) Voltage: 1.2 times (sustained), 2 times / sec (instantaneous)
Signal input 电流:1.2 倍 ( 持续 ),10 倍 /5 秒 ( 瞬时 ) Current: 1.2 times (sustained), 10 times /5 seconds (instantaneous)
功耗 Power waste 电压 Voltage:<1VA/ 相 phase,电流 current:<0.4VA/ 相 phase
阻抗 Impedance 电压 Voltage:>300kΩ,电流 current:<20mΩ
频率 Frequency 45~65Hz
14 Product Catalogue