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POWER%20SYSTEM%20LABORATORY%20Department%20of%20Electrical%20Engineering,%20College%20of%20Engineering,%20Shibaura%20Institute%20of%20Technology%20Tokyo,%20JAPAN

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(2)Improvement and evaluation of automobile's battery lifetime ... Automobile's power system modeling. transmission. engine. alternator ... – PowerPoint PPT presentation

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Title: POWER%20SYSTEM%20LABORATORY%20Department%20of%20Electrical%20Engineering,%20College%20of%20Engineering,%20Shibaura%20Institute%20of%20Technology%20Tokyo,%20JAPAN


1
POWER SYSTEM LABORATORYDepartment of Electrical
Engineering,College of Engineering, Shibaura
Institute of Technology Tokyo, JAPAN
  • Research Topics
  • Generation, transmission, and distribution system
  • Dispersed type generation system
  • Energy management of transportation system

Member Goro FUJITA, Associate Professor Doctor
Course Student D3 1,D2 1 Master Course
Student M2 2 Undergraduate Course Student B4
11
2
Research Interest
  • generation

transmission
power electronics
control system
Simulation, Optimization, and Hybrid
configuration regarding Energy management
urban development
apparatus
new energy
plant
new vehicle
new transportation
3
Power System LaboratoryVehicle research group
  • Present topics
  • (1)Building of highly accuracy simulation model
    for automobile's power system
  • (2)Improvement and evaluation of automobile's
    battery lifetime
  • (3)Simultaneous experimental study using EDLC for
    automobile's power system
  • Future topics
  • (1) Expansion of automobile's power system
    simulation model
  • (2) Building of optimal energy management system
    (ex. Hybrid system)
  • (3)Supplemental experiments using EDLC and buttery

warm globalization
electrification
request for efficient use of energy
4
Automobiles power system modeling
engine
alternator
transmission
  • Element for simulation model construction
  • Cruising pattern ? 10/15 mode
  • Transmission ? simulate gear shift pattern
  • Alternator ? detailed measured model
  • Battery ? charge and discharge characteristic
    model
  • Load ? net resistances for lamp, starter, etc

5
Optimization of energy system management
Power system
Electric wire
Deficient of generated energy
Alternator
Loads
Covered by battery
2-series 12V battery
Deterioration of battery
Battery
Belt
Therefore
Combine EDLC to improve batterys lifetime
Engine
Shaft
Transmission
Model resistance and capacitor
Detailed battery model
Employing EDLC
6
Onsite / small-scale experiments
  • Insufficient terms in numerical simulation study
    are reinforced by experiments using commercial
    vehicles and small circuits

DC
CONTROL
R
DC-DC CONVERTOR
DC
28
INPUT
V
C
Measurement of alternator characteristic, Dec.
2006
7
Power System LaboratoryDispersed type power
source group
  1. Modeling of fuel cell dynamics
  2. Supply and demand control of micro grid
  3. Numerical analysis of co-generation system

Electric deregulation
Oil exhaust
Warm globalization
Increase of new energy and dispersed type power
source
Promotion of effective use
Member M2 Yoshio UNO B4 Yuki CHIBAI B4
Takayasu TAKAHASHI B4 Hiroaki MATSUMOTO B4
Akito WATANABE M2 Toru TOYOSHIMA (Hosei
University)
8
Supply and demand control of micro grid
What is micro grid?
Conventional grid
Small-scale grid combining several quipments such
as natural energy sources and power storage
devices
system interconnection
Load
Merit
load
Compatibility of environment and reliability High
efficiency operation by integrated
control Employing new power source
Control center
gas turbine (100MW)
Purpose
Micro-grid
Discussion on power quality and control scheme
fuel cell (10MW)
Numerical modeling and analysis
Solution
Research achievement
  • Grid interconnection type
  • Stability using secondary battery
  • Reduction of battery

9
Modeling of fuel cell dynamics
Purpose
Load following characteristic and thermal dynamic
characteristic
Solution
Construct and analysis based on numerical model
Results
Future study
  • Contrast with measured value
  • Application for co-generation analysis

Power command and response
Operating temperature
10
Numerical analysis of co-generation system
Operation scheduling of co-generation system
using fuel cell Cost and CO2 exhaust evaluation
Purpose
Solution
Numerical analysis
Cost evaluation
P
rimary energy
Demand
P
rimary energy
Demand
for
for
Electricity charge
Power
Power
Power
load
Power
load
supply
supply
Total
Power
load
Power
load
Fuel
Fuel
Cost
Gas charge for FC
Cell
Cell
Gas
Gas
X
kW
X
kW
Thermal
load
Thermal
load
for
for

Thermal
Thermal
Gas charge for thermal demand not supplied by FC
Supply
Supply
Thermal
load
Thermal
load
11
Power System LaboratoryExperiment group
Power quality analysis, stability control, and
effective use of power system
Stabilized output
RFC
AC 60Hz

AC 54-66Hz
(100MVA)
Stator
Stator



360min-1
Rotor
p
10
Rotor
p10


10





DFM

SM

Grid
AC Excitation

DC Excitation

10)


6H
(

z
AVR
CC or GTO INV


Frequency
Smoothing by flywheel effect

Speed

Controller

Transfer Power Ref.


RFC station
WF


(100MW)
(100MW)
Random output
Power system stabilization using RFC (Rotary
Frequency Converter)
12
Power System LaboratoryPower System Analysis
group
Unified Power Flow Controller (UPFC) All
Transmission Parameters Controller ?160MVA shunt
and ?160MVA series at Inez Substation (AEP)
TCSC equivalent circuit
HVDC equivalent circuit
Improvement of frequency characteristic
Convertible Static Compensator (CSC) Flexible
Multifunctional Compensator ?200 MVA at Marcy
Substation (NYPA)
Thyristor Controlled Series Capacitor (TCSC)
Line Impedance Controller 208MVar TSCS at Slatt
Substation (BPA)
FACTS Controller Back-To-Back HVDC Tie, 20-50MW
at Eagle Pass (CSW)
Static Synchronous Compensator (STATCOM)
Voltage Controller ?100MVar STATCON at Sullivan
Substation (TVA)
Cited from A. Edris, FACTS Technology
Development An Update, IEEE Power Engineering
Review, March 2000
13
Power System LaboratoryPower quality group
13
14
Solution
Proposed device Dynamic Voltage Restorer
(DVR) Principle Inject a series
voltage to improve voltage profile
14
15
Publications
IEEJ Technical Report (in Japanese) Joint
research technical report by electric utilities,
manufacturers, and universities under IEEJ
(Institute of Electrical Engineering of
Japan) No.743 (1999) Voltage and Reactive Power
Control of Power System No.869 (2002) Nominal
and Emergency Load Frequency Control of Power
System No.931 (2003) Function of Automatic
Power Dispatch System No.977 (2004)
Explanation of Power Dispatch Technical
Terms No.1025 (2005) The Electric Power System
Technique for Effective Use of the Dispersed
Generation No.1059 (2006) Power System
Operation Structure in New Environment
Liberalization of Electricity Markets and
Technological Issues Ed. Ryuichi Yokoyama and 14
authors, Tokyo Denkidai Publishing, September
2001 (in Japanese)
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