Photovoltaics in utility distribution systems
Journal Article
·
· Solar Today; (USA)
OSTI ID:6125123
- Pacific Gas and Electric Co., San Ramon, CA (USA)
Pacific Gas and Electric (PG and E) in California recently conducted a study to develop methods of evaluating cost saving applications of photovoltaic (PV) generation strategically sited to offset distribution capacity costs. To maximize benefits to the utility transmission and distribution (T and D) system, they looked for sites where PV could relieve thermal overloads of transformers and conductors. Overheating can occur when the current and power flowing through them exceeds their rating. Broadly speaking, the benefits of the PV plant fall into two categories, system benefits and distributed benefits. System benefits are energy, generation capacity and electrical loss savings. Distributed benefits include prolonged lifetimes of lines and transformers, less need for capacitors for voltage support (kVAR support) and potentially increased reliability by enabling customer load to be recovered more quickly after circuit outages.
- OSTI ID:
- 6125123
- Journal Information:
- Solar Today; (USA), Journal Name: Solar Today; (USA) Vol. 4:5; ISSN SOTOE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140600* -- Solar Energy-- Photovoltaic Power Systems
24 POWER TRANSMISSION AND DISTRIBUTION
240200 -- Power System Networks
Transmission & Distribution-- (1990-)
CALIFORNIA
CAPACITY
ECONOMICS
ELECTRIC POWER
ELECTRIC UTILITIES
ELECTRICAL EQUIPMENT
EQUIPMENT
FEDERAL REGION IX
LOAD MANAGEMENT
MANAGEMENT
NORTH AMERICA
PEAK LOAD
PHOTOVOLTAIC POWER PLANTS
POWER
POWER DISTRIBUTION SYSTEMS
POWER GENERATION
POWER PLANTS
POWER TRANSMISSION
PUBLIC UTILITIES
SERVICE LIFE
SOLAR POWER PLANTS
STRESSES
TECHNOLOGY ASSESSMENT
THERMAL STRESSES
TRANSFORMERS
USA
140600* -- Solar Energy-- Photovoltaic Power Systems
24 POWER TRANSMISSION AND DISTRIBUTION
240200 -- Power System Networks
Transmission & Distribution-- (1990-)
CALIFORNIA
CAPACITY
ECONOMICS
ELECTRIC POWER
ELECTRIC UTILITIES
ELECTRICAL EQUIPMENT
EQUIPMENT
FEDERAL REGION IX
LOAD MANAGEMENT
MANAGEMENT
NORTH AMERICA
PEAK LOAD
PHOTOVOLTAIC POWER PLANTS
POWER
POWER DISTRIBUTION SYSTEMS
POWER GENERATION
POWER PLANTS
POWER TRANSMISSION
PUBLIC UTILITIES
SERVICE LIFE
SOLAR POWER PLANTS
STRESSES
TECHNOLOGY ASSESSMENT
THERMAL STRESSES
TRANSFORMERS
USA