POWER CONVERTER DESIGN AND ATS AUTO GENERATOR CONTROL (AUTOMATIC TRANSFER SWITCH )

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POWER CONVERTER DESIGN AND ATS AUTO GENERATOR CONTROL

(AUTOMATIC TRANSFER SWITCH )

• Phạm Hữu Thanh

TEACHER: TS.Nguyễn Trí Cường

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CONCLUSIONS AND FUTUREWORK

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When there is a power outage on the grid, special loads will require an

alternate backup power source.

What is an ATS system?

An automatic power transfer device, also known as ATS (Automatic

Transfer Switch) is used to automatically transfer the load from the main

power source to the backup source when the main source fails and vice

versa when the main power is restored or switched intentionally.

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ATS structure with main grid – 2

backup generators

This construction allows two generators to work

alternately or in parallel, resulting in higher power

generation efficiency and longer traction motor life.

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II INTRODUCE

The following requirements must be followed during operation: :

Only startup one to three times each power outage.

After the engine has successfully operated for 5 to

7 seconds, the starter must be turned off.

Before putting oil into the combustion chamber of an

engine, it must be dried.

It is vital to avoid repeated beginning when the

mains voltage fluctuates or the grid voltage flickers

Diesel generator

When stopping, you'll need some time to cool off.

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III ALGORITHM DESIGN

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Time diagram in case of power on after 5 hours Time diagram in case of power on after 5 hours

Time diagram in case the generators do not power up

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IV RESULT

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[5] H Zheng, Y Cheng, B Gou, D Frank, A Bern, and W E Muston,

”Impact of automatic switches on power distribution system reliability,”Electr Power Syst Res., vol 83, no 1, pp 51-57, 2012

[6] P M Curtis, ”Automatic Transfer Switch Technology,Application, and Maintenance,” in Maintaining Mission CriticalSystems in a 24/7 Environment, IEEE, 2007, pp 89-111

[7] B Tian et al., ”400 V/1000 kVA Hybrid Automatic Transfer Switch,” IEEE Trans Ind Electron., vol 60, no 12, pp 5422–5435, 2013

[8] FX3G SERIES PROGRAMMABLE CONTROLLERS HARDWARE MANUAL

[9] Everlasting company, ”Operation and Maintenance Manual forDiesel

Generator Sets ”[10] R A Simmons and F S Salem, “High voltage automatic transfer switch: going beyond normal distribution solutions”, 9Ih Inter Conf On Harmonics and Quality of Power, Vol 3,2000, pp 882-886

[11] R E Cousy, “Transfer switch ratings ‘without fuses or circuit breakers”, IEEE Trans on Power Delivery, San., 1990, pp.202-

203 [12] R E Cosse, J E Bowen and W H Nichols, “Is selectivity achieved in critical low-voltage UPS and standby generator power circuits?”, IEEE

Trans On Industry Applications, Vol 37, Jul., 2001, pp 1140-1 151[13] K T Erickson, ”Programmable logic controllers”, IEEE PotentialsVoLlS, Feb., 1996, pp 14-17,

[14] E A Parr, “Programmable controllers: an engineer’s guide”,Newnes,

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Power outages have the greatest impact on all economic sectors from agriculture to industry to daily life.

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