MOEORW-PD-F1 Digital partial discharge detector Send email to us

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Product Overview

This integrated product is designed for type tests, factory tests, and handover tests of high-voltage products, and can complete quantitative of partial discharge for motors, current transformers, cables, bushings, capacitors, transformers, lightning arresters, switches, and other high-voltage electrical appliances. It IEC60270 and GB/T7354-2018 standards, and can complete the measurement and recording of partial discharge (PD) and test voltage. Using fiber optic connections, it shields interference factors, and the test background environment can reach 0.05 PC or below.

Features

Apparent charge in discharge : It is the amount of charge such that, when momentarily injected between the ends of the test object the resultant momentary voltage change between the ends of the test object is equal to the momentary voltage change caused by the discharge itself, and the apparent charge is expressed in pCpico-Coulomb).
Test voltage for partial discharge : It is the specified voltage applied in the specified test procedure under which the test object does not present discharges exceeding the specified values.
Discharge repetition rate : The average number of discharges per second during the measurement time is called the discharge repetition rate, and its is times/second. The higher the discharge repetition rate, the greater the damage to the insulation.
Partial discharge inception voltage PDIV. The lowest voltage at which a is first detected in the test test circuit when the voltage applied to the test object is gradually increased from a lower value at which no discharge has been detected. Practically, the inception is the lowest voltage at which the amount of partial discharge is equal to or exceeds a specified low value.
Partial discharge extinction voltage PDEV. The lowest voltage at a discharge is no longer detected in the test measuring circuit when the voltage applied to the test object is gradually decreased from a higher value at which a discharge has been d

Parameter

Partial discharge models and channels			Single channel
A. Main acquisition unit	interface	Power interface	6-12VDC ( <6W ） , Quick-insert type with lock
		Fiber optic interface	Support Gigabit network access
		Input interface	Voltage input signal, partial discharge input signal, square wave output signal (optional)
	indicator light		1 XLED Constantly on , flashing (power indicator , communication instructions)
	indicator light		Flashes at 15-second intervals (no link established with the host computer)
	Partial discharge input	Sampling rate	Partial discharge measurement 16MHz 、 Cable positioning 80MHz
		Input impedance	100Ω/120Ω
		Maximum input amplitude	50V Peak-to-peak value
		A/D	14bit,80MS/s
		Dynamic range	A total of about 62dB
		Range control	X0.04,X1,X5,X25,X125,X250,X1250
		Self-noise	Less than 30uV
	Square wave input	Frequency range	45Hz-1kHz;
		Input impedance	1MΩ;
		Maximum voltage	50Vrms
		A/D	24bit, 20kHz
B 、 Battery	Charging input		8.4V/5A
	Battery output		7.4V/15A h
	Power adapter		8.4V/5A (can be used directly as host power supply)
C , communication interface			Gigabit Ethernet LAN interface
C , communication interface			SFP fiber optic interface Receiver USB2.0
D , detection impedance	Rated current		0.5A
	Bandpass range		19KHz~4MHz ± 10%
	Low voltage arm output voltage		≤50 VRMS (If the voltage exceeds this value, please increase the internal low-voltage arm capacitance)

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MOEORW-PD-F1 Digital partial discharge detector Send email to us

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