AC Energy Meter

0.2S Power Quality analyzer PMAC780H for380V~35KV Smart Power Quality Management System

1. Class A Power Quality Measurement : Harmonic and inter-harmonic, voltage deviation, frequency deviation, unbalance, fluctuation and flicker, transient disturbances, EN50160 statistics

2. Class 0.2s Accuracy : Harmonic, ,fundamental harmonic, sub-harmonics energy

3. High Resolution Failure Record : support 1024 point/cycle, Min.tansient disturbance record for 20us

4. Failure Diagnose Location : support voltage sag source, harmonic source, flicker source, asymmetric source location and power supply failure type diagnose

Main Documents

PPMAC780H Maintenance/User

Compatible Software

Smart PiEMS System

Product Introduction

PMAC780H has high-precision measurement and metering functions, timed recording and time-sharing charging functions; rich power quality monitoring functions, following the latest national standards for seven national standards for power quality and general requirements for power quality monitoring equipment, and integrates harmonic analysis, unbalance measurement, flicker monitoring, voltage sag/swell and short-term interrupt recording, rapid voltage change capture, waveform transient capture, event recording and other functions to meet power quality monitoring class A standard; Accurate fault diagnosis and positioning function, accurately record a large number of waveform information and event information for local anomaly or local faults in the power supply system, and sensitively identify and accurately determine potential, transient, or persistent local faults, ensure the safe and reliable operation of the user's power supply system.

PMAC780H provides the main functions as below:

1.Class A Power Quality Measurement : Harmonic and inter-harmonic, voltage deviation, frequency deviation, unbalance, fluctuation and flicker, transient disturbances, EN50160 statistics

2.Class 0.2s Accuracy : Harmonic, ,fundamental harmonic, sub-harmonics energy

3.High Resolution Failure Record : support 1024 point/cycle, Min.tansient disturbance record for 20us

4.Failure Diagnose Location : support voltage sag source, harmonic source, flicker source, asymmetric source location and power supply failure type diagnose 5.Full Real-time Data Measurement

Specification

Power Supply					Communication
Rated Voltage	85~275VAC,100~300VDC,45~65Hz				RS485 port		2 Port,2400-38400bps, Modbus-RTU protocol
Power loss	＜10W				Ethernet Port		1 port, Modbus TCP/IEC61850 (optional) support Ethernet gateway
AC Input
Input Voltage	Rated voltage	0~400V(400V L/N/ 690V L/L)			Electrical insulation performance
	Overload	1.2Un, Continuous; 4Un, accept 1s			Dielectric strength		2kV voltage,1 minute (GB/T 14598)
	Power loss	＜0.1VA/Phase			Insulation resistance		No less than 100MQ (GB/T 14598)
Input Current	Rated voltage	5A, 1A			Impulse voltage		6kV,1.2/50μs (GB/T 14599)
	Overload	4In, Continuous; 10In, accept 1s			Environment
	Power loss	＜0.5VA/Phase@5A, ＜0.1VA@1A			Temperature	-10C~+55C		Humidity	5%~95%
					Storage	-40C~+85C		Pressure	70kPa-110kPa
D/DO					IP Index	Front:IP52 Side&Back:IP30		Measure mode	3 phase 4 wire 3 phase 3 wire
DI	8 Channel,time resolution 1ms
RO1-RO4	Relay,action /return time:<10ms				Electromagnetic compatibility
DO1-DO2	Breaking Capacity:250VA/30VDC,0.2A L/R=20ms Max.voltage 30VDC Max.current 50mA				Electrostatic discharge immunity IEC6100-4-2 Class IV
					Radio frequency electromagnetic radiation immunity IEC6100-4-3 Class IV
Accuracy					Power loss IEC6100-4-4 Class IV
Voltage/Current	±0.1%		Harmonic	Class A	Rated voltage IEC6100-4-5 Class IV
Active/Reactive / Apparent power	±0.2%		Voltage Unbalance Rate	±0.1%	Overload EC6100-4-8 Class IV
					Mechanical Character
Active energy	Class 0.2s		Current Unbalance Rate	±0.5%	Vibration response		Class I (GB/T 11287)
Reactive energy	Class 2		Voltage Deviation	±0.1%	Vibration durable		Class l (GB/T11287)
Power factor	±0.5%		Frequency Deviation	±0.005Hz	Impact response		Class I (GB/T 14537)
Frequency	±0.005Hz		Fliker	±5%	Collision response		Class I (GB/T 14537)

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