发明名称 |
COMMUTATION-DISCHARGING, LOW POWER LOSS THREE-PHASE INVERTER |
摘要 |
<p>A three-level inverter, in which the upper and lower half of each phase relieves the semiconductor switching elements from excessive values of the rate of rise of the recurring positive forward blocking voltage. This is done with a circuit arrangement in each half has a wiring diode, a switching off relief capacitor, a further wiring diode, a storage capacitor and a discharging resistor serving as the d-c load. Additional energy feedback devices feed back, into the supplying d-c voltage source, energy which is produced in the switching-off process and is temporarily stored in the circuitry.</p> |
申请公布号 |
EP0321865(A3) |
申请公布日期 |
1990.01.10 |
申请号 |
EP19880121014 |
申请日期 |
1988.12.15 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
HOLTZ, JOACHIM, PROF. DR.;SALAMA, SAMIR, DR.;SALZMANN, THEODOR |
分类号 |
H02M7/48;H02M7/487;(IPC1-7):H02M7/515 |
主分类号 |
H02M7/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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