A Novel AC-DC-AC Power Control System for Microturbine Generator - PowerPoint PPT Presentation

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Title:

A Novel AC-DC-AC Power Control System for Microturbine Generator

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1.Genetator, 2.Inlet air, 3. Combustion, 4.Air to recuperator, 5 Compressor,6. Turbine, 7.Recuperator, 8. Exhaust gases ... 1 High speed generator, 2 Rectifier ... – PowerPoint PPT presentation

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Title: A Novel AC-DC-AC Power Control System for Microturbine Generator


1
A Novel AC-DC-AC Power Control System for
Microturbine Generator
  • By Peter (Zitao) Wang

2
Microturbine system
1.Genetator, 2.Inlet air, 3. Combustion, 4.Air to
recuperator, 5 Compressor,6. Turbine,
7.Recuperator, 8. Exhaust gases 9. Exhaust gas
heat exchanger, 10. Exhaust gas outlet 11. Hot
water outlet, 12. Water inlet
3
High speed generator
4
Schematic of power control
1 High speed generator, 2 Rectifier/ start up
converter, 3. DC bus 4. Inverter, 5.line filter,
6.EMC filter, 7.Main circuit breaker
5
The model of six phase PMSM
  • 1.Double three phase PMSM
  • 2.Utilizing a set of three phase winding
  • during starting period
  • 3.Reducing rated current of power transistor
  • 4.Reduced the ripple of PMSM torque

6
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7
  • The stator voltage equation is

8
Transformation matrix
9
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10
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11
A novel converter topology
12
PMSM vector control frame
13
Active and diode rectifier
14
DC-AC Inverter
15
Six phase PMSM current
16
Generator voltage from rectifier side
17
Six phase PMSM id1 and iq1
18
The total Id and Iq
19
Current through boost chopper
20
Current from AC to DC
21
Vdc
22
Output current to grid
23
Summary
  • What are new
  • 1.Six phase PMSM model
  • 2.New AC to DC topology
  • 3.New control method
  • What is challenge
  • High frequency and super high
  • speed of PMSM

24
  • Thank You
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