Three Phase Power And Energy Reference Standard

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INTRODUCTION The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters. TECHNICAL SPECIFICATIONS Electrical parameters Accuracy class 0.05%, 0.1% Resolution 6 TFT (640-480) Power supply 220V±10%, 50/60Hz Li-polymer battery (size (mm): 110x51x16, nominal output voltage: 7.2V, capacity: 5000mAh) Power line supply (U1, UN), 85V-265V 50/60Hz Communication port RS232 Test voltage Range 5-480V Error ±0.05% (30V-480V) ±0.1% (5V-30V) Harmonic 2nd-63st Test current Range (direct connection) 5mA-20A Error (direct connection) ±0.05% (100mA-20A) ±0.1% (10mA-100mA) Range (clamp CT) 10mA-3000A Error (camp CT) ±0.2% (100mA-100A) ±0.5% (100A-3000A) Harmonic 2nd-63st Power measure error Active power (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive power (direct connection) ±0.1% (0.1A-20A) Energy measure error Active energy (direct connection) ±0.05% (0.1A-20A) ±0.1% (0.01A-0.1A) Reactive energy (direct connection) ±0.1% (0.1A-20A) Phase angle Range 0-360 Resolution 0.01 Error ±0.05 Frequency Range 45-65Hz Resolution 0.001Hz Error 0.002Hz Pulse input Input channel 2 Input level 5-24V Input frequency Max. 2MHz Pulse output Energy constant 180000imp/kWh, 1800imp/kWh, 180imp/kWh Pulse ratio 1:1 Output level 5V Function Vector diagram Yes Waveform Yes Energy accumulation Yes Communication with PC Yes Mechanical parameters Instrument dimensions (WHD) (mm) 220-13861 Instrument Weight (kg) 1.7 Carry case dimensions (WHD) (mm) 450-320185 Carry case (kg) 8.5 Environmental conditions Ambient temperature -10C to 55C Relative humidity 15%-85%

Product description The portable Three-phase standard power source is suitable for metering departments, power distribution terminals, power management, reactive power compensation devices and enterprise production. Technical index Electrical parameters Accuracy class 0.05%, 0.1% Power supply Single phase AC 85-265 V, frequency 50/60 Hz AC Voltage output Range (U1, U2, U3 phase) 57.7V/100V/220V/380V; range switch automatically (Max 500V) Electrical parameters - continued 0.01% RG Accuracy 0.05% RG Stability

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To set up and take the load regulation of voltage, current, phase angle, frequency and power factor, also can be used as AC current source, AC voltage source or power source. To set 2-128 times of the amplitude and phase harmonics, and it can be added to the base wave in every harmonic output. Frequency value is adjustable (AB and phase C). Voltage, current output a wide range, big power, high stability, waveform distortion degree is small. Strong with load ability, but it can take capacitive, sensibility, resistance of composite type load or load and load regulation is higher than 0.01%. To apply the 32 bit MPU + DSP + FPGA, powerful flexible. To use hardware PID, fast response, the change of load will not cause output volatility. Industrial frequency waves as high as 50000 points a week of the wave kneading, signal output without filter, precise output waveform, the harmonic output precision, harmonic distortion degree is small. Range switching automatically To use software calibration, simple operation, stable and reliable. To have big screen, 320 x 240 LCD display, Chinese or English interface, operating simply. To have perfect over-current, over-voltage, heat, a shorts-and-opens, overload protection, failure detection automatically. With RS232 interface, and PC connection To take place machine software, it can be output through the PC software program.

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This device adopts advance ARM+FPGA high precision D/A conversion and DDS technologies can set up and regulate parameters of voltage current frequency phase etc in a long period of time via analog closed loop feedback and digital PID control 1. Can be used to test errors and variance caused by voltage current waveform or power factor change for a variety of metering instrument such as energy meter voltmeter ammeter wattmeter frequency meter power factor meter phase meter 2. Can generate distorted wave with 2~32 order harmonic harmonic number order amplitude and phase position to base wave can be controlled by programs 3. Operational amplifier work frequency 40HZ~1kHz good linearity dual output protection High fidelity output signal and high shock-proof ability 4. With RS232 and USB(optional) communication interface for PC connection 5. With aluminum alloy carrying box which look nice and with little weight