Voltage dips due to direct connection of induction generators in low head hydro electric schemes

This paper analyses phenomena which affect voltage dip due to direct connection of induction generators running close to synchronous speed to electrical distribution systems in low head hydroelectric power schemes. The paper examines transient phenomena on connection of induction generators at close...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 1994, Vol.9 (3), p.460-465
Main Authors: Hammons, T.J., Lai, S.C.
Format: Article
Language:English
Subjects:
240100 > Power Systems-- (1990-)
Analytical models
Applied sciences
Circuit breakers
Control systems
Disturbances. Regulation. Protection
ELECTRIC GENERATORS
Electrical engineering. Electrical power engineering
Electrical power engineering
ELECTRICAL TRANSIENTS
Electronics packaging
Environmental protection
Equations
EQUIPMENT PROTECTION DEVICES
Exact sciences and technology
HYDRO ENERGY
HYDROELECTRIC POWER PLANTS
INDUCTION GENERATORS
LOW-HEAD HYDROELECTRIC POWER PLANTS
Magnetic heads
MATHEMATICAL MODELS
POWER DISTRIBUTION SYSTEMS
Power generation
Power networks and lines
POWER PLANTS
POWER TRANSMISSION AND DISTRIBUTION
Q1
Rotors
TRANSIENTS 130700 > Hydro Energy-- Power-Conversion Systems
VOLTAGE DROP
Voltage fluctuations
Wind energy generation
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Summary:This paper analyses phenomena which affect voltage dip due to direct connection of induction generators running close to synchronous speed to electrical distribution systems in low head hydroelectric power schemes. The paper examines transient phenomena on connection of induction generators at close to synchronous speed in determining whether costly system reinforcement may be avoided thus making many uneconomic developments viable while satisfying constraints of permissible voltage dip if the transient phenomena is taken duly into account. More use of renewable energy in electricity supply thus reducing greenhouse gas emissions from fossil plant will therefore result. The analysis is based on a detailed induction generator model with single and double rotor bar simulation using Park's equations with simulation of rotor dynamics on connection of the generator to the electrical supply.< >
ISSN:0885-8969
1558-0059
DOI:10.1109/60.326463