Fig. 1 Technology Development Trend of CTTS
Fig. 2 Block diagram of the proposed uninterruptible power system
Fig. 3 Basic principle of synchronous coordinate system
Fig. 5 Linkage time characteristics by the proposed virtual synchronous coordinate system
Fig. 6 Characteristics of Connected Type CTTS Controller with Switching of Zero Power
Fig. 7 500 [kVA] linked CTTS installation photograph
Fig. 8 Characteristics of generator voltage control during load fluctuation
Fig. 9 CTTS characteristics during power outage and restoration
Fig. 10. Start-up characteristics at connection
Fig. 11 Load sharing in linkage mode
Fig. 4 The basic principle of the proposed virtual synchronous coordinate system
References
- Sewan Heo, Wan-Ki Park, Ilwoo Lee, "A novel technique for fault and lifetime-diagnosis of closed transition transfer switch using dual lines," Pulsed Power (PPC), pp. 1-6, (2017).
- Ronold W. Hotchkiss, "Surge protection of automatic transfer switches-Application no," PES General Meeting, pp. 1-4. (2014).
- Hussain A. Attia, Hew W. Ping, Yousif Al-Mashhadany, "Design and analysis for high performance synchronized inverter with PWM power control," Clean Energy and Technology(CEAT), pp. 265-270, (2013).
- Bing Tian, Chengxiong Mao, Jiming Lu, Dan Wang, Yu He, Yuping Duan, Jun Qiu, "400 V/1000k kVA Hybrid Automatic Transfer. IEEE Transactions on Industrial Electronics," pp.5422-5435, (2013).
- M. Qaisar Azeem, Habib-ur-Rehman, "Design and analysis of switching in automatic transfer switch for load transfer," Open Source Systems & Technologies (ICOSST), pp. 129-134. (2016).