Formulas for unit 63

giannini.chambers
Flashcards by giannini.chambers, updated more than 1 year ago
giannini.chambers
Created by giannini.chambers almost 6 years ago
68
3

Description

unknown JTL Unit 63 Resources Flashcards on Formulas for unit 63, created by giannini.chambers on 04/20/2015.

Resource summary

Question Answer
Apparent Power Voltage x current
Xl 2πfL
Xc 1/(2πfC)
STAR VOLTAGE Vp=Vl/√3
STAR CURRENT IP=IL
DELTA VOLTAGE VP=VL
DELTA CURRENT Il=Ipx√3
True Power V x I x cos (Ө)
Watts in 1 horse power 746 watts
Temperature coefficient of resistance formula R=R0(1+α(T1-T0))
Connections of an auto transformer
Slip speed of a motor ((Ns-Nr)/Ns) x 100
What are the benefit of a wound-rotor induction motor? Reduced starting current Increased available torque Is good for large initial loads
How do you calculate stator speed? NS=f/p (p= pairs of poles)
What is the resonant frequency? When Xl=Xc
What is a high pass filter? A filter that passes high frequencies but blocks low frequencies
What is a low pass filter? A filter that blocks high frequencies but allows low frequency signals
What is the bandwidth of a circuit? The difference between the half power points either side of the resonant frequency.
Efficiency Output/Input x 100
Show full summary Hide full summary

Similar

Spanish Vocabulary- Intermediate
PatrickNoonan
The Digestive System
cian.buckley
English Language Techniques
Zakiya Tabassum
FREQUENCY TABLES: MODE, MEDIAN AND MEAN
Elliot O'Leary
Mapa Conceptual de Liderazgo
gabbi.mendoza
2PR101 1. test - 2. část
Nikola Truong
EQUILIBRIO QUIMICO
Joel Tapia
Estrategias de enseñanza
flores Cervantes
Basic Spanish Vocabulary
juan pablo sanabria
Mapa Mental para Resumir y Conectar Ideas
deinis daza