| 摘要 |
PURPOSE: To provide a protection relay whose characteristics can be tested with electrical inputs of several volts and several hundred milliamperes. CONSTITUTION: Auxiliary transformer test terminals 101 are provided on the secondary sides of the auxiliary transformers 2 of a protective relay 10A. In order to perform the characteristic tests of an electronic circuit 5, the tests can be performed only by applying electrical inputs of several volts and several hundred milliamperes from the auxiliary transformer test terminals 101. |
