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

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