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公开(公告)号：US09772362B2
公开(公告)日：2017-09-26
申请号：US14846324
申请日：2015-09-04
CPC分类号： G01R29/20 , G01R31/027 , H01H2009/0061
摘要： A tester for testing a transformer is provided. The tester comprises a primary voltmeter and a plurality of secondary voltmeters. The tester may also comprise an ammeter in series with a voltage source configured to apply voltage to the transformer. The primary voltmeter is configured to measure voltage induced across a primary winding of the transformer, while the secondary voltmeters may simultaneously measure voltage outputs at secondary windings of the transformer. The tester is configured to calculate ratios, saturation curves, and knee points for multiple winding combinations based on the measurements simultaneously obtained by the ammeter and the primary and secondary voltmeters.
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公开(公告)号：US10527662B2
公开(公告)日：2020-01-07
申请号：US15714384
申请日：2017-09-25
摘要： A tester for testing a transformer is provided. The tester comprises a primary voltmeter and a plurality of secondary voltmeters. The tester may also comprise an ammeter in series with a voltage source configured to apply voltage to the transformer. The primary voltmeter is configured to measure voltage induced across a primary winding of the transformer, while the secondary voltmeters may simultaneously measure voltage outputs at secondary windings of the transformer. The tester is configured to calculate ratios, saturation curves, and knee points for multiple winding combinations based on the measurements simultaneously obtained by the ammeter and the primary and secondary voltmeters.
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公开(公告)号：US20150377943A1
公开(公告)日：2015-12-31
申请号：US14846324
申请日：2015-09-04
CPC分类号： G01R29/20 , G01R31/027 , H01H2009/0061
摘要： A tester for testing a transformer is provided. The tester comprises a primary voltmeter and a plurality of secondary voltmeters. The tester may also comprise an ammeter in series with a voltage source configured to apply voltage to the transformer. The primary voltmeter is configured to measure voltage induced across a primary winding of the transformer, while the secondary voltmeters may simultaneously measure voltage outputs at secondary windings of the transformer. The tester is configured to calculate ratios, saturation curves, and knee points for multiple winding combinations based on the measurements simultaneously obtained by the ammeter and the primary and secondary voltmeters.
摘要翻译： 提供了一台用于测试变压器的测试仪。 测试仪包括初级电压表和多个次级电压表。 测试器还可以包括与被配置为向变压器施加电压的电压源串联的电流表。 主电压表被配置为测量变压器的初级绕组上感应的电压，而次级电压表可以同时测量变压器次级绕组的电压输出。 测试仪被配置为基于由电流表和初级和次级电压表同时获得的测量值来计算多个绕组组合的比率，饱和曲线和拐点。
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公开(公告)号：US20180011131A1
公开(公告)日：2018-01-11
申请号：US15714384
申请日：2017-09-25
CPC分类号： G01R29/20 , G01R31/027 , H01H2009/0061
摘要： A tester for testing a transformer is provided. The tester comprises a primary voltmeter and a plurality of secondary voltmeters. The tester may also comprise an ammeter in series with a voltage source configured to apply voltage to the transformer. The primary voltmeter is configured to measure voltage induced across a primary winding of the transformer, while the secondary voltmeters may simultaneously measure voltage outputs at secondary windings of the transformer. The tester is configured to calculate ratios, saturation curves, and knee points for multiple winding combinations based on the measurements simultaneously obtained by the ammeter and the primary and secondary voltmeters.
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