燃氣發(fā)電機組的應用過程中，我們會發(fā)現(xiàn)一些用戶會對燃氣發(fā)電機組實施強行勵磁。很多人其實都不知道什么是強行勵磁？進行勵磁時，應考慮哪些因素？不當操作會造成什么危害？下面，小編將為大家簡單介紹一下。

During the application of gas-fired generator sets, we will find that some users will forcibly excite the gas-fired generator sets. In fact, many people do not know what is forced excitation? What factors should be considered when exciting? What harm will improper operation cause? Next, Xiaobian will give you a brief introduction.

為了提高燃氣發(fā)電機組運行系統(tǒng)的穩(wěn)定性，在短路故障切除之后電壓能迅速恢復到正常狀態(tài)，要求電壓下降到一定數(shù)值時，燃氣發(fā)電機組的勵磁能立即增加，所以燃氣發(fā)電機組組要實行強行勵磁。

In order to improve the stability of the operating system of the gas-fired generator set, the voltage can quickly return to the normal state after the short-circuit fault is removed. When the voltage drops to a certain value, the excitation energy of the gas-fired generator set will increase immediately. Therefore, the gas-fired generator set must be forced to excite.

勵磁動作就是由繼電器自動將勵磁機回路的磁場調(diào)節(jié)電阻短接，或由燃氣發(fā)電機組的自動調(diào)整勵磁裝置自動迅速調(diào)整使勵磁機在大值電壓下工作，以足夠的勵磁電流供給燃氣發(fā)電機組。

The excitation action is to automatically short-circuit the magnetic field regulation resistance of the exciter circuit by the relay, or automatically and rapidly adjust the excitation device of the gas generator set to make the exciter work under high voltage and supply sufficient excitation current to the gas generator set.

燃氣發(fā)電機組的強行勵磁只有在勵磁倍數(shù)較高，勵磁電壓上升速度較快，勵磁時間足夠的條件下才能發(fā)揮應有的作用。

The forced excitation of gas-fired generator set can only play its due role under the conditions of high excitation multiple, fast rise speed of excitation voltage and sufficient excitation time.

因此，燃氣發(fā)電機組的勵磁因勵磁而加到值時，在1分鐘之內(nèi)不得干涉勵磁的動作，在1分鐘之后，則應立即采取措施，減低燃氣發(fā)電機組定子和轉(zhuǎn)子電流到正常允許的數(shù)值。

Therefore, when the excitation of the gas generator set is added to the value due to excitation, the excitation action shall not be interfered with within 1 minute. After 1 minute, measures shall be taken immediately to reduce the stator and rotor currents of the gas generator set to the normal allowable values.

勵磁動作后，如果不返回，磁場電阻長時間被短接，在燃氣發(fā)電機組正常運行時，轉(zhuǎn)子將承受很高的電壓而受到損傷。

After the excitation action, if it does not return, the field resistance will be short circuited for a long time, and the rotor will bear a high voltage and be damaged during the normal operation of the gas generator set.

可以看出，不返回的話會對燃氣發(fā)電機組產(chǎn)生較大傷害，因此，建議大家要根據(jù)燃氣發(fā)電機組運行狀況，在保證正常運行的前提下，可以將不返回的勵磁裝置切除，查明原因，排除故障后再投入運行。更多注意事項就來我們網(wǎng)站http://www.51credits.cn咨詢吧！

It can be seen that failure to return will cause great harm to the gas-fired generator set. Therefore, it is recommended that the excitation device that does not return can be cut off according to the operating condition of the gas-fired generator set on the premise of ensuring normal operation, find out the cause, and put into operation after troubleshooting. More precautions come to our website http://www.51credits.cn Consult!