Imọ-ẹrọ iṣakoso ominira laisi laini tai ti ipese agbara oluyipada ni lati mọ imọ-ẹrọ afiwera laisi laini ifihan agbara laarin awọn ẹya nipa tọka si amuṣiṣẹpọ ara ẹni ati awọn abuda sag foliteji ti olupilẹṣẹ amuṣiṣẹpọ.. O tun jẹ ọkan ninu awọn imọ-ẹrọ iṣakoso isọdọkan ti ilọsiwaju lọwọlọwọ.

Awọn anfani meji ti ipese agbara ẹrọ oluyipada

1. Idinku itọju inawo ti iṣẹ eto

① Ninu ile-iṣẹ adase ti a ṣepọ ni bayi ti n ṣiṣẹ, a abẹlẹ abojuto ati iṣakoso microcomputer ti wa ni nigbagbogbo ṣeto soke. Pupọ julọ awọn ẹrọ ibaraẹnisọrọ jẹ makirowefu ati awọn ẹrọ okun opiti. Ipese agbara ṣiṣẹ ti iru abojuto ati iṣakoso ati awọn ẹrọ ibaraẹnisọrọ jẹ ipese agbara AC, eyi ti o nilo lati pade awọn ibeere ti ipese agbara lemọlemọfún lati ṣe aṣeyọri idi ti "mẹrin remotes".

② Iye owo idoko-owo ti wa ni ipamọ. Awọn ẹrọ oriṣiriṣi gbọdọ wa ni ipese lọtọ pẹlu ipese agbara ti nlọ lọwọ ati idii batiri. Ipese agbara ti a fi sori ẹrọ ni ile-iṣẹ le lo taara batiri agbara-nla ti eto agbara DC ti a lo lati pese agbara AC.

Ipese agbara oluyipada

③ Awọn akoko itọju ati awọn inawo ti dinku, ati awọn ọpọ idoko ti batiri pack ti wa ni idaabobo.

2. Mu iṣẹ ṣiṣe ailewu dara si.

O le ṣe idiwọ ipa ti iyipada akoj agbara lori gbigbe fifuye, ni kikun pade awọn ibeere ti RTU, ẹrọ ibaraẹnisọrọ, microcomputer ati awọn ẹrọ miiran ni substation substation fun ṣiṣẹ agbara ipese, and can also prevent the power board burning event caused by lightning and other high voltage phenomena, improving the safety characteristics of the load bearing.

Comparing the application of the above control strategies in the parallel operation system of inverter power supply, considering its operation performance and reliability, the inverter power supply system with independent control without tie line is the optimal scheme. In this control system, each inverter power supply module is controlled independently, without the interconnection signal line between modules, and only the output of each module is directly connected to the micro-network. The synchronization and current sharing control between each module is only based on the system control strategy inside the sub-module, eyi ti o le patapata sọtọ itanna asopọ ti awọn iṣakoso eto laarin kọọkan ẹrọ oluyipada ipese agbara. Nitorina, awọn eto be ni o rọrun, fifi sori ẹrọ ati itọju jẹ diẹ rọrun, ati imugboroosi agbara eto jẹ rọrun, Owo pooku, diẹ gbẹkẹle ni afiwe isẹ.