Page 19 - 浙江乔宇电气有限公司
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QY 功率因数、有功、无功数显表
          QY 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, reactive
                                                            power, apparent power;
          ◆ 提供数码管或液晶显示,本地数据查询;
                                                            ◆ Provide digital tube or liquid crystal display, local data query;
          ◆ 电流、电压变比可编程设置;
                                                            ◆ Current, voltage ratio can be programmed;
          ◆ 支持 RS-485 通讯,Modbus-RTU 协议;                     ◆ Support RS-485 communication, Modbus-RTU protocol;
          ◆ 支持开关量输入、开关量输出、模拟量变送输出;                          ◆ Support the switch input, switch output, analog quantity output send;
          ◆ 辅助电源:AC/DC  80V~270V、AC220V;                    ◆ Auxiliary power supply: 80V~270V AC220V;
                                                            ◆ A variety of form selection, to meet the different requirements of the electrical cabinet.
          ◆ 多种外形选择,满足不同柜体电气回路的要求。

          技术指标 /Technical Index

                           有功功率                                          0.5 级
                         Active power
                           无功功率
           测量精度          Reactive power                                  0.5 级
           Accuracy
           Measurement     视在功率                                          0.5 级
                        Apparent power
                           功率因数                                          0.5 级
                         Power factor
                           接线方式                                    单相、三相四线、三相三线
                        Connection mode                  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
                                                               电压:1.2 倍 ( 持续 ),2 倍 /1 秒 ( 瞬时 )
           信号输入         过负载 Overload                     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                                  电压:<1VA/ 相,电流:<0.4VA/ 相
                         Power waste                           Voltage: <1VA/ phase, current: <0.4VA/
                            阻抗                                   电压:>300kΩ,电流:<20mΩ
                          Impedance                              Voltage: >300kΩ, current: <20mΩ
                            频率
                          Frequency                                     45~65Hz





          Zhejiang Qiaoyu Electric Co., Ltd.                                                                  14
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