phase-sequence relayとは 意味・読み方・使い方

The emergency control device 25 uses a relay 257 for changing over the phase sequence of a three-phase AC voltage supplied to the brushless motor 21.例文帳に追加

非常用制御装置２５は、リレー２５７によって、ブラシレスモータ２１に供給する三相交流電圧の相順を切換えることができる。 - 特許庁

Detection is attempted repeatedly at certain intervals decided by a timer means after a power failure occurs until backstop prevention relay output occurs in positive phase sequence.例文帳に追加

停電後に、タイマ手段が計時する所定の間隔で逆転防止リレーの出力が正相順となるまで検出を繰り返す。 - 特許庁

In this way, whether the backstop prevention relay output is in stable, correct phase sequence can be judged to enable a 3-phase alternate current motor to restart after the power failure occurs.例文帳に追加

こうすることで、逆転防止リレーの安定した正しい相順出力を判定できるようにして、停電後に、三相交流電動機が運転に復帰できるようにする。 - 特許庁

The high-voltage ground relay is composed of an operation relay element A which operates at a set time interval after the flow of zero- phase-sequence current not smaller than a set value into a ZCT when a ground occurs in a system, and a suppressing relay element B which operates by potential of unspecified frequency and has a locking function for a relay.例文帳に追加

系統に地気発生の際、設定値以上の零相電流がＺＣＴに流れると設定時限後に動作する動作リレー要素Ａと、不特定周波数の電位で動作して継電器のロック機能をもつ抑止リレー要素Ｂより高圧地絡継電器を構成するもの。 - 特許庁

In addition to a leakage detection coil, a connection state checking coil for checking the connection state between the leakage relay by flowing a checking current is provided on the zero-phase-sequence current transformer side, and in addition to a leakage detection output, a connection state checking output is made possible to output on the leakage relay side.例文帳に追加

零相変流器側に、漏電検出コイルの他、チェック用電流を流すことで漏電継電器との間の接続状態をチェックする接続状態チェック用コイルを設け、漏電検出出力と併せ、接続状態チェック出力を上記漏電継電器側に出力可能にする。 - 特許庁

Furthermore, the leakage relay not only outputs the above checking current, but also outputs a contact point signal for giving an alarm in the case at least any of these is abnormal by carrying out abnormality judgement of the leakage state of the main circuit or the above connection state based on the output of the above zero-phase-sequence current transformer.例文帳に追加

また、漏電継電器を、上記チェック用電流を出力するとともに、上記零相変流器の出力により主回路の漏電状態または上記接続状態の異常判別を行い、少なくともいずれかが異常の場合は警報を行う接点信号を出力する構成とする。 - 特許庁