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WAZV系列水內冷發電機泄漏電流測試儀

發布日期：2025-01-06
訪問次數：1103
地址：上海寶山

WAZV系列水內冷發電機泄漏電流測試儀采用中頻倍壓電路。*應用的PWM脈寬調制技術和大功率IGBT器件。並根據電磁兼容性理論，采用特殊屏蔽、隔離和接地等措施。使直流高壓發生器實現了高品質、便攜式並能承受額定電壓放電而不損壞。

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詳細說明：

一、簡介

WAZV系列水內冷發電機泄漏電流測試儀的設計制造是專爲水內冷發電機進行泄漏電流和直流耐壓試驗使用，設計制造的指導思想是以下幾點：

1、由于大型水冷发电机绕组传导电流很大，在试验电压下要20-150mA左右不等。如果没有足够容量的直流高压发生器，无法升压。

2、目前國內的直流高壓試驗器輸出電流一般都在10mA以內，輸出電流200mA的高壓發生器屬于空白。

3、直流試驗對一般高壓電氣設備而言，能發現其絕緣的貫穿性缺陷，而對電機來說，它能*發現它的局部絕緣缺陷（定子線卷端部絕緣）這是其它試驗無法替代的。

4、爲能對水內冷發電機組的准確測量泄漏電流，ZV/T系列高壓發生器特別設計了各種幹擾電流的補償回路試驗時可*排除雜散電流和彙水管的極化電勢幹擾的影響，真正測到試品的電流。

WAZV系列水內冷發電機泄漏電流測試儀采用中頻倍壓電路。*應用的PWM脈寬調制技術和大功率IGBT器件。並根據電磁兼容性理論，采用特殊屏蔽、隔離和接地等措施。使直流高壓發生器實現了高品質、便攜式並能承受額定電壓放電而不損壞。

二、主要技術指標和參數

規範kV/mA 技術參數	50/100	50/120		60/150	60/200		80/200
輸出電壓kV	50	50		60	60		80
輸出電流mA	100	120		150	200		200
輸出功率W	5000	6000		9000	12000		16000
電壓測量誤差	≤1.0% ±1个字
電流測量誤差	≤1.0% ±1个字
過壓整定誤差	≤1.0%
紋波系數	≤3.0%
電壓穩定度	≤1.0%
電源電壓	AC220V		AC380V（三相四線）
機箱重量	25.0kg		25.0 kg			25.0kg
倍壓重量	45.0kg		65.0kg			70.0kg

上一篇：MCGS-S型水內冷發電機泄漏電流測試儀

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