Digital-Based Soft-Switching Modulation for High-Frequency Three-Phase Inverters with Reactive Power Transfer Capability

2018 ◽  
Author(s):  
Zhengrong Huang ◽  
Qiang Li ◽  
Fred C. Lee
Keyword(s):  
High Frequency ◽  
Reactive Power ◽  
Soft Switching ◽  
Power Transfer ◽  
Three Phase ◽  
Transfer Capability

Critical-Mode-Based Soft-Switching Modulation for High-Frequency Three-Phase Bidirectional AC–DC Converters

2019 ◽  
Vol 34 (4) ◽  
pp. 3888-3898 ◽  
Author(s):  
Zhengrong Huang ◽  
Zhengyang Liu ◽  
Fred C. Lee ◽  
Qiang Li
Keyword(s):  
High Frequency ◽  
Soft Switching ◽  
Critical Mode ◽  
Three Phase

Reactive Power Loss Reduction in Distribution Network Using Crow Search Optimization and Available Transfer Capability

2020 ◽  
Vol 29 (15) ◽  
pp. 2050237
Author(s):  
N. Kannan ◽  
S. Sutha
Keyword(s):  
Power System ◽  
Power Flow ◽  
Distribution Systems ◽  
Reactive Power ◽  
Thermal Power ◽  
Power Transfer ◽  
Available Transfer Capability ◽  
Power Loss Reduction ◽  
Transfer Capability ◽  
Bulk Power

In distribution systems, it is important to guarantee the protected operating state of the power system by the transmission suppliers. To transmit a secure, dependable and economical supply of electric power, long separation bulk power transmission is fundamental. Despite that, the power transfer capacity of the power system is constrained because of the elements like thermal limits, voltage limits and security limits. Crow Search Optimizations (CSO) have been exhibited to be reasonable methodologies in taking care of nonlinear power system issues with Available Transfer Capability (ATC). It is conceivable to improve transmission capabilities. This proposed method based on the IEEE 30-bus system is considered with two distinct areas, and furthermore, the input source is a typical load system with a distributed network. There is a need to control the reactive power flow at the Point of Common Coupling (PCC) between the grids of various voltage levels. To operate a power system securely and furthermore to acquire the benefit of bulk power transfer, ATC evaluation is required. The load gets raised from 50% to 100% in the distribution side by including the thermal power plant (85% and 95% load is included) and with the procured condition, ATC and losses are to be determined. This ATC is determined for verified power supply to the consumers.

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