Selection of Right Cable , Gland and circuit breaker rating according to motor Electrical Technician
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Selecting Right Cable , Gland
Selecting Right Cable , Gland and circuit breaker rating
What is an Electrical Cable
The term cable, amongst other things, means "an encased group of insulated wires". A cable is a fairly inflexible (although of course they can be bent) set of wires used to supply the electricity to certain points in your home.
Your meter box is supplied through a cable, sockets are supplied by cables and your ceiling and wall lights are fed through cables.
A cable can carry many wires depending on the job it needs to do. Most domestic cables carry a black or blue wire which is usually for the neutral current, a brown or Red wire for a live current and a Green wire to take residual current to earth. This cable is called 2 core and earth, or twin and earth. aur
Selecting the right cable size for the motor is an important parameter for the Industry whether it’s during Installation and Commissioning or during running condition. It is a very important aspect for Safety, Cost minimization and reduction of undesired losses. An undersized cable can burn during motor operation causing risk to human life, machine, infrastructure, loss of production and replacement cost.
Whereas an oversized conductor will incur unnecessary cost not only for the long run cables but also for cable termination materials used along with them i.e. lugs, glands, jointing kit (in case any fault occur in the future) and oversized cable tray. The cost of labor for laying of higher size cable will also be higher compared to respective lower size cable. Considering all these vital points it’s important to make an proper cable size calculation for our motor.
Formula for calculating load current
Load Current = P / (1.732 x V x Pf x Eff)
(P = √3 x Vx I CosΦ = for three phase circuits)
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What is an Electrical Cable
The term cable, amongst other things, means "an encased group of insulated wires". A cable is a fairly inflexible (although of course they can be bent) set of wires used to supply the electricity to certain points in your home.
Your meter box is supplied through a cable, sockets are supplied by cables and your ceiling and wall lights are fed through cables.
A cable can carry many wires depending on the job it needs to do. Most domestic cables carry a black or blue wire which is usually for the neutral current, a brown or Red wire for a live current and a Green wire to take residual current to earth. This cable is called 2 core and earth, or twin and earth. aur
Selecting the right cable size for the motor is an important parameter for the Industry whether it’s during Installation and Commissioning or during running condition. It is a very important aspect for Safety, Cost minimization and reduction of undesired losses. An undersized cable can burn during motor operation causing risk to human life, machine, infrastructure, loss of production and replacement cost.
Whereas an oversized conductor will incur unnecessary cost not only for the long run cables but also for cable termination materials used along with them i.e. lugs, glands, jointing kit (in case any fault occur in the future) and oversized cable tray. The cost of labor for laying of higher size cable will also be higher compared to respective lower size cable. Considering all these vital points it’s important to make an proper cable size calculation for our motor.
Formula for calculating load current
Load Current = P / (1.732 x V x Pf x Eff)
(P = √3 x Vx I CosΦ = for three phase circuits)
Air circuit breaker maintenance
Electrical Engineering Air Circuit Br...
THREE PHASE MOTOR run on SINGLE PHASE supply
Three फेस मोटर को कैसे single फेस सप्...
Auto Change Over Switch
Auto Change Over Circuit with Contact...
DOL STARTER Practically Explained
DOL Starter kaese banate hai ( In Hin...
STAR DELTA STARTER best explain practical video
Star Delta Starter Control wiring || ...
MCB TRIP Indication Circuit
Video
Reverse Forward STARTER
FORWARD AND REVERSE Control wiring fo...
How to set Time in On delay Timer and Off delay Timer
Electrical timerON DELAY OFF DELAYin ...
Tube light Wiring
Video
Tube light Wiring Animation
Tube light connection || tube light c...
How to check ON DELAY TIMER and OFF DELAY TIMER
Learn how to check working condition ...
Power Wiring of STAR DELTA STARTER
Power wiring of star delta starter | ...
LIGHT BRIGHTNESS CONTROL by Fan Regulator
DIY with fan Regulator | Brightness c...
How to make Flickr
Video
Water level Control by RELAY AND Contactor
Automatically water leval controler |...
How limit switch work
कैसे LIMIT SWITCH काम करता है in Hin...
What is FLOAT SWITCH
कैसे LIMIT SWITCH काम करता है in Hin...
How FLOAT SWITCH work
Float switch how it work| Float Switc...
Electrical IMPORTANT QUESTIONS ANSWER
ELECTICAL ENGINEERING MCQ | important...
How to Read mcb date writen on it
How to Read MCB Nameplate Data Rating...
How to use multimeter
Video
Full form of CIRCUIT BREAKERS
Full form of SF6/ ELCB / RCCB / RCBO ...
Stair case Wiring
STAIR CASE (TWO WAY SWITCH ) WIRING |...
RCCB / ELCB Trip indication
सीखे Modification करना ELCB / RCCB का...
5 way to do TWO WAY SWITCH WIRING
5 तरीके से करे Two way switch की वायर...
How to connect 2 lamp in Series and parellal by just one switch
Video
Electrical Panel name Full form
Full form of Electrical Terms | elect...
voltage value in LT HT MT EHT
What are the voltage values for LT, ...
How to Choose Right MCB
HOW to Choose Right MCB Breaker Curre...
BUCHHOLZ RELAY
What is a Buchholz Relay / Electrical...
DOL STARTER WITH POWER AND CONTROL WIRING
How to wire contactor, Overload Relay...
Indication Lamp connection in DOL STARTER
Indication Lamp connection in DOL STA...
MOTION SENSOR WIRING
Video
20 KW BULB
Video
DOL And STAR DELTA STARTER
Video
ISOLATION OF 132 Kv Line
Isolation of 132 Kv High Voltage Line...
DOL STARTER CONTROL WIRING
TRIP , ON , OFF Indication WIRING in ...
Cable size , gland size and circuit breaker RatingSelection of Right Cable , Gland and ...
What is Star delta starter explained
Star Delta Starter क्या होता है और कै...
ELECTRIC SHOCK EFFECT
ELECTRIC SHOCK effect on the human bo...
100+ Electrical Symbol
100+ Electrical & Electronic Circuit ...
HPMV LAMP Connection
HPMV LAMP की वायरिंग कैसे करें / Lamp...
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5 سال پیش
در تاریخ 1397/12/09 منتشر شده
است.
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