1. A circuit breaker design is introduced by using power detection.

2. This article introduces reactive power detection and compensation device based on single-chip microcomputer AT89S51. The working principles of the device are also introduced in detail.

3. By replacing the traditional wavelength demodulation with optical power detection technique, the demodulating process is simplified and immune to temperature variation.

4. The power feedback control system consists oft he power detection unit and DSP unit. In this paper the design ofp ower detection circuit and the power control algorithm flow are focused.

5. Objectives:To establish a method of electric power detection and to evaluate its performance for ultrasonic harmonic scalpel(UHS).

6. Compared with the traditional method based on optical FBG peak power detection, this method is less influenced by the ambient disturbance and able to improve the sensing accuracy.

7. This power monitor incorporates a low-loss, high directivity stripline coupler with independent linear power detection circuits.

8. Finally, the simulation shows that the control system of STATCOM has a good dynamic and static performance, achieving the fast reactive power detection and compensation.

9. In order to carry out yaw control accurately, a hill-climbing control algorithm based on power detection is proposed.http:///power detection.html

10. The sensor can be easily to implement in microwave and millimeter wave monolithic integrated circuits to realize online microwave power detection.

11. This study has important practical significance to improve old power detection and measurement equipment of Chinese enterprises.

12. Experimental results show that this system can rival the system using thermistors for power detection in the measurement accuracy.