The hybrid detection method is designed to realize the coordination between active and passive methods

which aims to reduce the disturbance of system and the non-detection zone. But most of the hybrid detection methods are basically suitable for a single control strategy

and can not be applied to the multi-control inverters which are variable in the operating conditions and flexible to switch the control strategies. In order to improve the applicability of the hybrid detection method to multi-control inverters and supplement the existing theoretical analysis of non-detection zone under droop control strategy

this paper firstly derives the non-detection zones of over/under-voltage detection method and over/under-frequency detection method under current control strategy

power control strategy

and droop control strategy

and forms the dual non-detection zones. Then the corresponding feedback disturbance detection methods are designed for different control strategies

and the feedback disturbance objects and coefficients are determined adaptively according to the actual operating conditions. Finally

the feedback disturbance detection method is combined with the dual non-detection zones to form the hybrid islanding detection method which adapts to multiple control strategies

and the advantages of the proposed islanding detection method are verified by simulation for different control strategies in reducing disturbance to the system

improving islanding detection efficiency and enhancing the adaptability of operating conditions.