Unit-10 Maintaining Emergency Electrical Systems

For one of the addition problems a UPS system can correct and protect other than losing main supply

• Minor differences between current and frequency

• Reduction in capacitance supply

• Harmonic Distortion

• Supplies less than 300 KVA

Name the missing component from the image showing a generic Battery UPS System.

• Transfer Switch

• Maintenance Bypass

• Emergency Maintenance Bypass

• Transformer

Which of the following typed UPS systems, typically incorporates a flywheel.

• Solid State interactive only typed system.

• Battery only system

• Generator Typed System

• Fuel Cell based system.

A PEM fuel cell is comprised of two main chambers. Which identification of the two sides

• Anode and Cathode

• Hydrogen Cell and its Electrolyte

• Anode and electrolyte

• Cathode and Electrolyte

In a Lead Acid Battery, what solution is commonly used as the electrolyte.

• Hydrogen Peroxide

• Alkaline

• Dilute Sulfuric Acid

• Spongy Lead

What kind of material shouldn't be used for diffusers in fire protecting or resisting ceilings, unless specifically tested.

• Optical refractive polymer

• Dilute Sulfuric Acid

• Greyed Glass

• Opal Glass

Which of the following is a valid alternative to the lead acid battery for UP systems.

• circuit breaker (CB)

• Superconducting Magnetic Energy Storage (SMES)

• Nuclear fusion

• Rotary Generators

Which of these is a true capability of a power management application for remote monitoring of a UPS system

• To selectively shut down non-critical to conserve runtime

• Log overvoltage spikes only

• Report under currents only

• To isolate an acceptable voltage supply from a mains supply

Which range of UPS system fits the following statement - "the load is powered directly by the input power and backup power circuitry is only invoked when the utility power fails"

• Line Interactive hybrid online UPS system

• ON_LINE UPS

• OFF-LINE (Standby) UPS

• Line-Interactive rotary typed UPS system.

Name of the missing component from the image showing a generic Battery UPS System.

• Battery

• Inverter

• Switch

• Filter