PT Volt-Ampere Characteristic Tester - Yangzhou Darui - Yangzhou Darui Electric Co., Ltd.

PT Volt-Ampere Characteristic Tester - Yangzhou Darui

Published: 2020-08-05 10:55:32

Category: CT/PT Characteristic Tester

Product Description

PT Volt-Ampere Characteristic Tester

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Technical Parameters:

Item		Parameter
Working Power Supply		AC220V±10% 、50Hz
Equipment Output		0～2500V (20A peak)
High Current Output		0～1000A
Excitation Measurement Accuracy		≤0.5% (0.2%reading + 0.3%range)
Phase Measurement (Angle Difference)	Accuracy	4min
	Resolution	0.1min
Ratio Error	Accuracy	0.1%
CT Ratio Measurement	Range	≤5000A/1A (25000A/5A)
	Accuracy	≤0.5%
PT Ratio Measurement	Range	≤500KV
	Accuracy	≤0.5%
Working Environment		Temperature: -10℃ ～ 40℃, Humidity: ≤90%, Altitude: ≤1000m
Dimensions, Weight		Dimensions: 410mm × 260mm × 340mm, Weight: ≤22Kg

Technical Parameters

    ⒈ Input voltage: AC 220V or 380V, 50Hz, automatic identification of input voltage.

    ⒉ Working environment temperature: 0~40℃.

    ⒊ Input voltage: When input AC 220V, output 0-600V.

                 Current: Maximum instantaneous current, 600A when measuring ratio.

                 When input AC 220V, output 0-600A.

                 15A during volt-ampere characteristic test.

    ⒋ Digital voltmeter measurement range: 0-9999V; resolution: 0.1V.

             When used as current display: 0-9.9A; resolution: 0.1mA.

    ⒌ Digital ammeter measurement range: 0~3000A; resolution: 0.01A.

    ⒍ Error: 1≤1%, U≤1%.

    ⒎ When measuring CT ratio, it can automatically calculate the ratio value and print the data and calculation results.

    ⒏ When measuring volt-ampere characteristics, store and print 20 sets of current and voltage values and volt-ampere characteristic curves.

    ⒐ External dimensions: length×width×height=470×340×260mm3.

Usage Method

    Volt-Ampere Characteristic Test

    ⒈ The user should appropriately select the input voltage according to the volt-ampere characteristics of the tested equipment. When output voltage above 500V is required, 380V input voltage should be applied.

    ⒉ Ground the instrument reliably.

    ⒊ Check that the current transformer has no grounding point.

    ⒋ Turn switch "16" to the volt-ampere position.

    ⒌ Connect the instrument output and voltage measurement to the secondary side of the current transformer (as shown in Figure 2).

    ⒍ Check whether the voltage regulator is at zero. Turn on switch "24", press the reset button once, the indicator light above it will light up, and the microprocessor is in waiting storage state.

    ⒎ Turn on output switch 4, slowly rotate the voltage regulator clockwise. When storage is needed, press the storage button once, the indicator light above the storage button lights up, and the internal buzzer sounds. (Note: During the entire measurement process, it is not allowed to turn back the voltage regulator. The dwell time when adjusting to the maximum current should be as short as possible.)

    ⒏ Up to 20 sets of current and voltage values can be stored.

    ⒐ After storage, turn the voltage regulator back to zero.

Main Features

• Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.

• Can save 3000 sets of test data, which will not be lost after power failure.

• Supports U-disk data transfer, can be read via standard PC and generate WORD report.

• Compact and lightweight ≤22Kg, very convenient for field testing.

Working Condition Requirements

1. Input voltage 220Vac±10%, rated frequency 50Hz;

2. The tester should be powered from a power outlet with protective grounding. If the protective ground connection is problematic, or the power supply has no isolated ground connection, the tester can still be used, but the safety factor is low.

3. The ambient temperature corresponding to the parameters is 23℃±5℃;

4. The guaranteed values are valid within one year after factory calibration.

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.

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Product Details

PT Volt-Ampere Characteristic Tester - Yangzhou Darui