Pre-Electric Station Operator Station Design Concepts.
-
Upload
lisa-waring -
Category
Documents
-
view
218 -
download
1
Transcript of Pre-Electric Station Operator Station Design Concepts.
Pre-Electric Station Operator
Station Design
Concepts
Introduction
• Station design is not arbitrary
• Factors considered are– Cost– Reliability– Flexibility– Redundancy– Location (Physical Space Availability)
THE PURPOSE OF EVERY
STATION DESIGN IS TO
PROVIDE THE CUSTOMER
WITH POWER.
Redundancy
• The INTENTIONAL DUPLICATION of a circuit or equipment.
• Provides for greater Reliability.
• Increases the Flexibility.
• Increases the Cost.
This is a “Single Bus Single Breaker” configuration.
We are looking at the number Busses and the number of circuits associated with each circuit breaker
Circuit
Circuit
This is a “Double Bus Single Breaker” configuration
Two busses and single circuit per circuit breaker
Bus
Circuits
Notice that this configuration has a “Bus Tie” it’s used to connect the two busses
This is a “Double Bus Double Breaker”
Two busses and two breakers per circuitCircuit
breaker
Circuit
Two circuits share the center circuit breaker or half the breaker
This is a “Double Bus Double Breaker and a Half” configuration
Ciruit
Ciruit
Two circuits share this breaker
RING BUS
L1
T1 L2
L3T2
Different Types of Distributing Station
Department Style StationSplit Front Bus StationGas Company StationSectionalized Main Bus StationMetal Clad Station or Ten CB’s
configurationPackaged Type Station
Department StyleStation
Split Front Bus Station
Gas Company Station
Sectionalized Main Bus Station
Metal Clad Station or Ten CB’s Configuration Station
Package Station