Model Paper-Industrial Elecronics
... Explain why motor drives are important in domestic and industrial applications. Differentiate high performing motor drives and low performing motor drives. A separately excited dc motor is running at constant field flux. The load torque on the motor is proportional to the speed. When the speed is at ...
... Explain why motor drives are important in domestic and industrial applications. Differentiate high performing motor drives and low performing motor drives. A separately excited dc motor is running at constant field flux. The load torque on the motor is proportional to the speed. When the speed is at ...
Alternating Current
... three-pointed star. What voltage system are residences limited to? 120/240 volt single-phase systems. ...
... three-pointed star. What voltage system are residences limited to? 120/240 volt single-phase systems. ...
Maintaining a Constant DC Power Supply
... Energy dissipated in an electrical or electronic circuit or device per unit of time is known as the electrical power (electrical power is usually measured in watts). Electrical energy supplied by a current to an appliance enables it to do work witch could provide some other form of energy. The diffi ...
... Energy dissipated in an electrical or electronic circuit or device per unit of time is known as the electrical power (electrical power is usually measured in watts). Electrical energy supplied by a current to an appliance enables it to do work witch could provide some other form of energy. The diffi ...
ET 6 - Marine Engineering Study Materials
... 6. The bow docking-propeller of a large liner is driven by a 600kW, 3.3kV, three-phase, 60Hz induction motor which is delta-connected. The motor is supplied from the ship’s 440V auxiliary power mains through a step-up transformer unit, connected in delta, on the L.T. side. Assuming a fullload effic ...
... 6. The bow docking-propeller of a large liner is driven by a 600kW, 3.3kV, three-phase, 60Hz induction motor which is delta-connected. The motor is supplied from the ship’s 440V auxiliary power mains through a step-up transformer unit, connected in delta, on the L.T. side. Assuming a fullload effic ...
M3P75A-160 Datasheet
... them highly resistant to temperature and huminity variation • 6 diode chips are connected to the 3-phase bridge rectifying circuit inside the module; a cost effective feature Applications • Inverters for AC motors • Power supply units for DC motors • DC power supply units for battery ch • General pu ...
... them highly resistant to temperature and huminity variation • 6 diode chips are connected to the 3-phase bridge rectifying circuit inside the module; a cost effective feature Applications • Inverters for AC motors • Power supply units for DC motors • DC power supply units for battery ch • General pu ...
Purpose Buck-Boost Chopper Type AC Voltage Controller
... fields such as power system, motor speed control and so on. There are also other researches which use thyristor phase controlled circuit to do voltage regulation.But they have some disadvantages and those arise problems. These problems can be solved by using high switching frequency AC chopper i.e. ...
... fields such as power system, motor speed control and so on. There are also other researches which use thyristor phase controlled circuit to do voltage regulation.But they have some disadvantages and those arise problems. These problems can be solved by using high switching frequency AC chopper i.e. ...
02-Wattmeter
... with a ( + ) sign while the other is ( - ) . here an upscale reading is obtained if a ( + ) current is flowing in to the ( + ) end of the current coil while the ( + ) terminal of the potential coil is ( + ) WRT to the end . ...
... with a ( + ) sign while the other is ( - ) . here an upscale reading is obtained if a ( + ) current is flowing in to the ( + ) end of the current coil while the ( + ) terminal of the potential coil is ( + ) WRT to the end . ...
Constructional Details of transformer
... the space between the core and HV coil in case HV coil is provided next to the core and to control the leakage reactance. However in case of transformers where the voltage rating is less, LV and HV windings can be arranged in any manner. SPECIFICATION 1. Output-kVA 2. Voltage-V1/V2 with or without t ...
... the space between the core and HV coil in case HV coil is provided next to the core and to control the leakage reactance. However in case of transformers where the voltage rating is less, LV and HV windings can be arranged in any manner. SPECIFICATION 1. Output-kVA 2. Voltage-V1/V2 with or without t ...
SET-276. Power factor correction and alerts through the
... transistor on-times in accordance with separate polynomial transfer functions for powerfactor control and peak-current-linking using as inputs current representations of line input voltage (VLN), load output voltage (VLD), and long-term current demand (VCD). A conduction cycle is initiated by sensin ...
... transistor on-times in accordance with separate polynomial transfer functions for powerfactor control and peak-current-linking using as inputs current representations of line input voltage (VLN), load output voltage (VLD), and long-term current demand (VCD). A conduction cycle is initiated by sensin ...
“Fuzzy Logic Speed Controllers Using FPGA Technique For Three
... The most simple, efficient and reliable method of controlling ac power is by using the Triac. Triac is bidirectional device, and a single control circuit is sufficient to control power flow in the load during both halves of the ac input wave. ...
... The most simple, efficient and reliable method of controlling ac power is by using the Triac. Triac is bidirectional device, and a single control circuit is sufficient to control power flow in the load during both halves of the ac input wave. ...
Power Quality Conditioner with Series-Parallel
... functions. The single-phase UPQC will be implemented adopting two different operation modes. In the first mode, the series converter works as a sinusoidal current source, while the parallel converter also works as a sinusoidal voltage source. In the second mode, the series converter works as a non-s ...
... functions. The single-phase UPQC will be implemented adopting two different operation modes. In the first mode, the series converter works as a sinusoidal current source, while the parallel converter also works as a sinusoidal voltage source. In the second mode, the series converter works as a non-s ...
Fuzzy Logic Speed Controllers Using FPGA Technique For Three
... The most simple, efficient and reliable method of controlling ac power is by using the Triac. Triac is bidirectional device, and a single control circuit is sufficient to control power flow in the load during both halves of the ac input wave. ...
... The most simple, efficient and reliable method of controlling ac power is by using the Triac. Triac is bidirectional device, and a single control circuit is sufficient to control power flow in the load during both halves of the ac input wave. ...
Consequences of Harmonic Currents and Voltages Generated by
... But there is a more serious problem that can emanate from the excitation control unit of a DG Set delivering power to SCR Converters. The Engine Governor system of the DG Set needs a speed feedback signal.And this signal is usually generated by measuring the frequency of the sensed output voltage in ...
... But there is a more serious problem that can emanate from the excitation control unit of a DG Set delivering power to SCR Converters. The Engine Governor system of the DG Set needs a speed feedback signal.And this signal is usually generated by measuring the frequency of the sensed output voltage in ...
Chapter 18
... produce and transmit than DC • DC generators are used for metal refining, electroplating and battery charging • DC generators have limitations that restrict their power output • AC generators are typically more practical ...
... produce and transmit than DC • DC generators are used for metal refining, electroplating and battery charging • DC generators have limitations that restrict their power output • AC generators are typically more practical ...
Electric Meter (WEM-MX) Installation Guidelines
... L2, & L3) must match the voltage designated inputs to the meter. Each phase must be confirmed to ensure it matches the voltage measurement input to the meter. b. The current transformer connections for the respective phases A, B & C must match the associated voltage phases to the meter. i.e.; Phase ...
... L2, & L3) must match the voltage designated inputs to the meter. Each phase must be confirmed to ensure it matches the voltage measurement input to the meter. b. The current transformer connections for the respective phases A, B & C must match the associated voltage phases to the meter. i.e.; Phase ...
Three-phase electric power
Three-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by electrical grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is usually more economical than an equivalent single-phase or two-phase system at the same line to ground voltage because it uses less conductor material to transmit electrical power.The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky, Jonas Wenström and Nikola Tesla in the late 1880s.