MGE UPS Systems 40-150kVA user manual Fcc

Comet 40-150kVA

C.S.S.	Customer Support Service.
Current rating	The maximum current that a conductor or equipment can carry reliably without damage.
dBA	Decibel Adjusted.
dBrnC	Decibel above reference noise.
DC or dc	Direct current, or voltage.
Digital Meter	The LCD display on the front panel of inverter system.
Earth ground	A ground circuit that has contact with the earth.
ECO Mode	Operating mode by which the load is supplied directly by the AC source if it is within the
	tolerances defined by the user. This mode reduces the consumption of electrical power.
Electrician	Refers to an installation electrician qualified to install heavy-duty electrical components in
	accordance with local codes and regulations. Not necessarily qualified to maintain or repair
	electrical or electronic equipment.
FCC	Federal Communications Commission.
FET	Field effect transistor.
Freq.	Frequency.
Frequency slew rate	The change in frequency per unit of time. Given in term of Hz per second (Hz/sec.).
GND	Ground (safety).
Hz	Hertz, frequency measurement unit, 1Hz is one cycle per second.
Inverter mode	See “on-line” mode.
I	Current.
IEC	International Electrotechnical Commission.
IEEE	Institute of Electrical and Electronic Engineers.
Input branch circuit	The input circuit from the building power panel to the equipment.
Inverter	An electrical circuit that generates an AC voltage source from a DC voltage source.
IGBT	Insulated gate bipolar transistors.
I/O	Input/Output.
I/T or IT	Information Technology.
kVA	KiloVolt-Ampere; is equal to 1000 Volt-Ampere.
L	Line.
LCD	Liquid-Crystal Display unit.
LED	Light Emitting Diode.
Mains or Mains 1	Main AC input source.
Mains 2	Bypass AC input source.
mA	Milliampere.
MAX.	Maximum.
MCM	Thousand circular mil; standard wire sizes for multiple stranded conductors over 4/0 AWG in
	diameter. M is from Roman numerical system indicating 1000.

G — 2 Glossary 86-160310-00 E00