# Formulas for unit 63

Flashcards by giannini.chambers, updated more than 1 year ago
 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

### Similar

Spanish Vocabulary- Intermediate
The Digestive System
English Language Techniques
FREQUENCY TABLES: MODE, MEDIAN AND MEAN
Mapa Conceptual de Liderazgo
2PR101 1. test - 2. část
EQUILIBRIO QUIMICO
POLÍTICA SOCIAL
Estrategias de enseñanza
Basic Spanish Vocabulary
Mapa Mental para Resumir y Conectar Ideas