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Protective Device Coordination Analysis

Course No.: PD101
CEUs 0.8

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Synopsis
Protective Device Coordination Analysis is designed to show you how to use time current curves and perform coordination studies with breakers, relays and fuses. The program provides an explanation of how to maximize reliability by developing a properly coordinated power distribution system.

Description

COORDINATION STUDIES
Selective Coordination Basics, Time Current Curves, Data
Requirements, Device Settings, Log Log Graph, Scale

COORDINATION OF DEVICES
Molded Case Circuit Breaker Coordination, Adjustable
Instantaneous Settings, Coordination of Multiple Devices

SOLID STATE / ELECTRONIC TRIP DEVICES
Long Time, Short Time, Instantaneous Settings, I2T Settings,
Coordination of Devices, No Instantaneous

GROUND FAULT DEVICES
Residually Connected Schemes, Zero Sequence Relaying,
Setting of Devices, Nuisance Tripping, Ground Fault
Requirement for Services and Feeders, Coordination
Requirements for Health Care Facilities

OVERCURRENT RELAYS
Amp Tap, Time Dial, Instantaneous, Current Transformers,
Time Margins, Setting Selection, Time Current Curves

TRANSFORMER PROTECTION
NEC Requirements, Inrush, ANSI C57 Thru Fault Curves,
Adjustments to Thru Fault Curves Based on Winding
Configurations, Delta-Wye and Delta Delta

CASE PROBLEM
Coordination Study of Small Industrial System