Variable Speed Drives: Introducing Energy Saving
... shears, bending rolls, plunger pumps, conveyors, elevators and crushers. ...
... shears, bending rolls, plunger pumps, conveyors, elevators and crushers. ...
Department of Electrical Engineering and Computer Science
... the PV isperformances given in Fig. 2.are the converter for this application. Required for a coil or a transformer is too large to be feasi following : Either they will accept a greater current ripple Uin min Uin max ...
... the PV isperformances given in Fig. 2.are the converter for this application. Required for a coil or a transformer is too large to be feasi following : Either they will accept a greater current ripple Uin min Uin max ...
Datasheet for the Toshibas TA8050P
... The output current is detected by monitoring the VBE from each output transistor. One detection circuit connects to one of the output transistors and leads to the short-circuit protection circuit. When a current exceeding the ISD detection current flows through one of the four output transistors, th ...
... The output current is detected by monitoring the VBE from each output transistor. One detection circuit connects to one of the output transistors and leads to the short-circuit protection circuit. When a current exceeding the ISD detection current flows through one of the four output transistors, th ...
App0502-11
... Within the overall power supply are control circuits which form the “brains” of the unit. These circuits monitor line voltage and output load variations and then cause power switching circuits to change pulse width to maintain a precise output voltage in the face of those variations. The supervisory ...
... Within the overall power supply are control circuits which form the “brains” of the unit. These circuits monitor line voltage and output load variations and then cause power switching circuits to change pulse width to maintain a precise output voltage in the face of those variations. The supervisory ...
Electromagnetic Induction Study Guide
... produce an emf with an amplitude of 15 V? 5. When it is turning at operating speed, a motor with 7 of resistance connected to 120 V draws 2 A of current. What is the back emf of the motor at operating speed? 6. A Jacob’s Ladder (the ubiquitous mad scientist device where an electric spark climbs be ...
... produce an emf with an amplitude of 15 V? 5. When it is turning at operating speed, a motor with 7 of resistance connected to 120 V draws 2 A of current. What is the back emf of the motor at operating speed? 6. A Jacob’s Ladder (the ubiquitous mad scientist device where an electric spark climbs be ...
STEVAL-IHM029V1
... The power supply circuitry is based on the VIPer16L, an off-line converter with an 800 V avalanche-rugged power section, operating at 60 kHz. The STEVAL-IHM029V1 can control any universal motor up to 2000 W, thanks to the T1235H, a 12 A 600 V high temperature Triac. The motor control is based on pha ...
... The power supply circuitry is based on the VIPer16L, an off-line converter with an 800 V avalanche-rugged power section, operating at 60 kHz. The STEVAL-IHM029V1 can control any universal motor up to 2000 W, thanks to the T1235H, a 12 A 600 V high temperature Triac. The motor control is based on pha ...
The IEEE Applied Power Electronics Conference, APEC, is in
... registration for the Exhibit Hall is available. For details please see here: GMW will be showing examples of: •AKM PCB mounting Current Sensors for electrically isolated control of current from +/-20A to +/-130A with exceptionally low noise and frequency response from dc to as high as 1MHz, are appr ...
... registration for the Exhibit Hall is available. For details please see here: GMW will be showing examples of: •AKM PCB mounting Current Sensors for electrically isolated control of current from +/-20A to +/-130A with exceptionally low noise and frequency response from dc to as high as 1MHz, are appr ...
Powerhouse systems - DC power systems.indd
... Up to two battery sets handled in one system Automatic and pre-programmed battery test (for each battery set) Automatic and pre-programmed equalize charging mode Breaking alert by modem (option) ...
... Up to two battery sets handled in one system Automatic and pre-programmed battery test (for each battery set) Automatic and pre-programmed equalize charging mode Breaking alert by modem (option) ...
LV GRID VOLTAGE REGULATION USING TRANSFORMER
... The integrated voltage regulation strategy proposed in this paper is to incorporate an electronic tap changer into the primary distribution transformer of the feeder, and use its functionality as the primary voltage control mechanism. The reactive power injection of the PV inverters at each bus is t ...
... The integrated voltage regulation strategy proposed in this paper is to incorporate an electronic tap changer into the primary distribution transformer of the feeder, and use its functionality as the primary voltage control mechanism. The reactive power injection of the PV inverters at each bus is t ...
SIVA INSTRUMENTS Digital Surge Tester
... Digital surge tester, Model DT-205 The basic function and voltage range are all same as ST-210E.Here output will be available in only one channel as there is no need for connecting the master coil / motor every time. You can store the waveform of all the types of coils digitally in memory. When test ...
... Digital surge tester, Model DT-205 The basic function and voltage range are all same as ST-210E.Here output will be available in only one channel as there is no need for connecting the master coil / motor every time. You can store the waveform of all the types of coils digitally in memory. When test ...
Fuzzy System for the Detection of Power Quality Performance on
... The consequences of one or more of the above non-ideal conditions may cause thermal effects, life expectancy reduction, dielectric strength and misoperation of different equipments. Furthermore, the PQ can have direct economic impact on technical as well as financial aspects by means of increase in ...
... The consequences of one or more of the above non-ideal conditions may cause thermal effects, life expectancy reduction, dielectric strength and misoperation of different equipments. Furthermore, the PQ can have direct economic impact on technical as well as financial aspects by means of increase in ...
Pulse energy calculation considerations
... Pulse energy calculation considerations Most power resistor applications are 'pulse' applications, meaning that the power dissipated in the resistor is created by a series of pulses rather than a constant power dissipation. These applications have to be looked at in some detail as although the avera ...
... Pulse energy calculation considerations Most power resistor applications are 'pulse' applications, meaning that the power dissipated in the resistor is created by a series of pulses rather than a constant power dissipation. These applications have to be looked at in some detail as although the avera ...
Brushed DC Motor Fundamentals
... The frequency of the PWM waveform is an important consideration. Too low a frequency will result in a noisy motor at low speeds and sluggish response to changes in duty cycle. Too high a frequency lessens the efficiency of the system due to switching losses in the switching devices. A good rule of t ...
... The frequency of the PWM waveform is an important consideration. Too low a frequency will result in a noisy motor at low speeds and sluggish response to changes in duty cycle. Too high a frequency lessens the efficiency of the system due to switching losses in the switching devices. A good rule of t ...
Variable-frequency drive
A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.