Flashcards
Unit 36 Flash Cards
Cards in this deck (28)
- 1Illuminance below a light sourceI/d²
- 2Illuminance at an angle from a light sourcecos(θ) x I
_____________
d² - 3Ohm's LawV=IxR
- 4Resistive PowerP=VxI
P=I²R
P=V²/R - 53 phase True PowerP=√3 x VL x IL x cos(θ)
- 63 phase apparent powerS=√3 x VL x IL
- 7Symbol for InductanceL
- 8Symbol for CapacitanceC
- 9Symbol for ResistanceR
- 10Symbol for Inductive ReactanceXL
- 11Symbol for Capacitive ReactanceXC
- 12Equation for Inductive Reactance2πfL
- 13Equation for Capacitive Reactance1/(2πfC)
- 14Equation for ImpedanceZ=√(R²+(Xl-Xc)²)
- 15The names of 8 types of protective deviceFUSE
MCB
MCCB
RCBO
RCD
ACB
VCB
OCB - 16Typical Generation Voltage22/25kV
- 17Typical Transmission Voltages132kV/275kV/400kV
- 18Typical Distribution Voltages33kV/11kV
- 19Equation for Star VoltageVL=VP x √3
- 20Equation for Star CurrentIL=Ip
- 21Equation for Delta VoltageVL=Vp
- 22Equation for Delta CurrentIL=Ip x √3
- 23What value is the SI prefix µx10^-6
- 24What value is the SI prefix mx10^-3
- 25What value is the SI prefix kx10^3
- 26What value is the SI prefix Mx10^6
- 27What value is the SI prefix nx10^-9
- 28What value is the SI prefix px10^-12
Information
- Description
- unknown JTL Unit 36 and 38 Revision Flashcards on Unit 36 Flash Cards, created by giannini.chambers on 22/04/2015.
- Created by
- giannini.chambers · Apr 2015
- Updated
- Feb 19, 2016
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