Generator and UPS applications – Part 1

Synopsis
With electric utility deregulation and large scale blackouts emergency and standby power systems are more important than ever. This class covers the requirements of sizing, operation, protection and planning a generator installation. Included is how to analyze the effect of harmonic producing loads and motor starting on the generator operation.

Description

Codes and Standards
NFPA, NEMA, UL, ANSI, IEEE, Legally Required Systems

Types of Emergency and Standby Systems
Generators, Uninterruptible Power Supplies, Stored Energy Systems, Static Transfer Switches, Battery Systems

Planning the System
Emergency, Standby, Peak Shaving, Data Centers, Health Care, Legal Requirements, System Layout and Design

Sizing Generators
Load Characteristics and Calculations, Economic Analysis, Single-Step vs. Multi-Step, Motor Starting, Voltage and Frequency Concerns, Voltage Regulators

Concerns, Voltage Regulators

Protection Requirements
Short Circuit Current – Xd’’, Decrement Curves, Overcurrent Protection, Ground Fault, Under and Over Voltage, Under and Over Frequency Protection

Paralleling Requirements
Synchronizing Relays, Switchgear, Protection Requirements for Paralleling

Paralleling with the Utility

Environmental Requirements
Sound Levels and Regulations, Exhaust and Emissions, Fuel Types and Storage Requirements, Vibration, Cooling