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1. 发明申请

WO2011017802A1 HIGH VOLTAGE SQUARE WAVE AND SPWM WAVE GENERATOR 审中-公开
标题翻译：高压方波和SPWM波发生器
公开(公告)号：WO2011017802A1
公开(公告)日：2011-02-17
申请号：PCT/CA2010/001233
申请日：2010-08-11
申请人： JAYARAM, Sheshakamal, H. , YU, Ya, Tong
发明人： JAYARAM, Sheshakamal, H. , YU, Ya, Tong
IPC分类号： G01R31/34 , H03K4/02 , H03K7/00 , G01R31/00 , A23L3/32
CPC分类号： G01R31/343 , G01R31/1227 , G01R31/14 , H03K7/08
摘要： A high voltage wave generator circuit is provided for generating high voltage square-waves and SPWM-waves. The circuit comprises a plurality of stages, each stage including (a) an input connected to a DC source, (b) a first switch, (c) a second switch, (d) an energy storage device and (e) a wave shaping resistor, wherein the first switch charges the energy storage device and the second switch discharges the energy storage device. Each of the stages is operable to generate waveforms and the stages are connected in cascade, and the stages are configured such that (i) the first switches and the second switches of the plurality of stages are operable to switch substantially at the same time, and (ii) when the first switches are "ON" the second switches are "OFF" and vice versa. The circuit is configured such that by charging the circuit and sequentially switching all of the first switches and then the second switches substantially at the same time, the stages are operable to cumulatively generate as an output high voltage square-waves and SPWM-waves. An insulation test apparatus based on the wave generator is also provided. Also, a novel method for testing rotating machine insulation is provided.
摘要翻译：提供高电压波发生器电路用于产生高电压方波和SPWM波。电路包括多个级，每级包括（a）连接到DC源的输入，（b）第一开关，（c）第二开关，（d）能量存储装置和（e）波形整形电阻器，其中所述第一开关对所述能量存储装置充电，并且所述第二开关放电所述能量存储装置。每个级可操作以产生波形并且级联级联，并且级被配置为使得（i）多级中的第一开关和第二开关可操作以基本上同时切换，并且（ii）当第一开关为“ON”时，第二开关为“OFF”，反之亦然。电路被配置为使得通过对电路充电并且基本上同时顺序地切换所有第一开关，然后顺序地切换第二开关，该级可操作地累积地产生作为输出高电压方波和SPWM波。还提供了一种基于波发生器的绝缘测试装置。此外，还提供了一种用于测试旋转机器绝缘的新颖方法。

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