Hard Why does a grid-connected inverter need synchronisation and protection functions? AIt must increase frequency without limit BIt makes the grid immune to faults CIt stores energy as fuel DIt must operate compatibly with grid voltage/frequency and disconnect under specified abnormal conditions EIt replaces all substations Report a problem with this question What is wrong? The marked correct answer is wrongAn option is wrong or repeatedSpelling or wording mistakeSomething else Details (optional) Send report