Home Blog Page 16

VFD DOL Changeover circuit- VFD Bypass Arrangement

Why does VFD DOL changeover circuit require: VFD DOL changeover circuit: Due to some reason the starter or vfd of the induction motor got failured...

VFD Start Stop Through DCS Remote Local

VFD Start Stop Through DCS Remote Local: We can control our vfd through Local remote and DCS. What is local control(VFD Start Stop Through DCS Remote...

VFD start stop wiring diagram

VFD start stop wiring diagram: I am building the drawing for vfd start stop wiring diagram from panel and keypad only. Vfds are called as variable...

Cheap DOL starter – DCS/Remote/Local Start/Stop

DOL starter: Where we should use: The name DOL Starter is called as Direct online starter. Less than 10 HP motor we can use DOL starter....

How to Understand Motor Nameplate Details-ND 280 M/S/L

How to Understand Motor Nameplate Details-ND 280 M/S/L: Make: CG It tells about the name of OEM. OEM- Original Equipment Manufacturer. The motor is manufactured by...
Eneregy consumption of your ceiling fan

Energy consumption of your ceiling Fan

Energy calculations: Normal 1200mm power consumption with 1400 rpm ceiling fan Wattage : 45watts + 10 watts loses as standard Per hour 55 watts 24 hours * 55...
Charger Power Consumption

Energy consumption of your phone charger without connecting your phone

Energy consumption of your phone charger without connecting your phone: If 4 watts charger considers; Full load current : at DC (Direct Current) voltage of 325v...
Why ct secondary should not open

Why CT secondary should not Open condition- Live Test Demo

Why CT secondary should not Open condition-: Basically CT nothing but current transformer. It works like a step up transformer. As the diagram said V1= primary voltage...
Identify Motor Frame Size

Identification of Motor Frame Size 132M & Motor EFF class EFF1...

EFF Class Motor Frame Size EFF class: Motor Frame Size EFF class: It has mentioned at the left corner of the motor’s name plate. It...
Ct operated thermal over load relay

CT Operated Thermal Over Load Relay Current setting Calculation

Thermal over Load Relay vs CT operated thermal overload Relay: Thermal over relay: Thermal over load relay is simple over current protection, it does not protect...

Normally Open (NO) | Normally Closed (NC)

Normally Open (NO): It is a short term of Normally Open, which means normally it will be in open condition or open circuit when there...
Full load current calculation

AC DC Full Load Current Calculation Formula

Full Load current calculation of AC and DC machine: AC Loads (Alternating current) : Full Load current calculation 3 Phase Motor: Power formula  KW (Kilo watts) V= Voltage +/-...
Aluminium Cable Vs Copper cable

Difference Between Copper Cable and Aluminium Cables

Aluminium Cable Vs Copper cable  What is meant by cable: In a Power system, A connecting rob/link from source feeder to destination feeder/ load center is...

MCCB Working Principle MCCB Rating and MCCB Current Setting

What is MCCB: MCCB is Another Most popular Panel protection electrical device like MCB and MPCB. MCCB is a short term of molded case circuit...
Moving Contact

How To Make A Electrical Starter and Power Circuit

Power circuit: Power circuit is nothing but, distribution of power to the motor through a certain equipment like MCCB/MPCB/SFU, contactor, protection relay, Power cable, Connector...

What is MPCB Motor Protection Circuit Breaker

What is MPCB Motor Protection Circuit Breaker: Before talking about any electrical power circuits in the industry you must know the basic idea about the...