BH67172NUX
... on the output can be turned OFF at a power supply voltage of 1.58V (typ.). A hysteresis width of 100mV is provided and a normal operation can be performed at 1.68V. This function is installed to prevent unpredictable operations, such as a large amount of current passing through the output, by means ...
... on the output can be turned OFF at a power supply voltage of 1.58V (typ.). A hysteresis width of 100mV is provided and a normal operation can be performed at 1.68V. This function is installed to prevent unpredictable operations, such as a large amount of current passing through the output, by means ...
SSE Shunt/Static Exciter/Regulators
... to the generator field to normalize the ac generator output voltage. Standard features of the static exciter/regulator include selection of single or three phase voltage sensing. A voltage limited Volts/Hertz circuit is standard. It is used to reduce generator voltage as a function of prime mover sp ...
... to the generator field to normalize the ac generator output voltage. Standard features of the static exciter/regulator include selection of single or three phase voltage sensing. A voltage limited Volts/Hertz circuit is standard. It is used to reduce generator voltage as a function of prime mover sp ...
Domestic_Defrost
... • The impedance of the timer motor is much greater than the resistance of the heater • For this reason almost all the voltage of this circuit is dropped across the timer motor. • The impedance of the timer motor also limits the current flow throughout the defrost heater to such an extent that it doe ...
... • The impedance of the timer motor is much greater than the resistance of the heater • For this reason almost all the voltage of this circuit is dropped across the timer motor. • The impedance of the timer motor also limits the current flow throughout the defrost heater to such an extent that it doe ...
Basic Vocational Knowledge - Electrical Machines
... the generation, transmission and consumption of electric power. Thus, for example, in a power station the combustion heat of coal, natural gas, etc. is employed in boilers for steam generation. The energy flow of the steam drives the turbine which is coupled to a turbine generator that converts the ...
... the generation, transmission and consumption of electric power. Thus, for example, in a power station the combustion heat of coal, natural gas, etc. is employed in boilers for steam generation. The energy flow of the steam drives the turbine which is coupled to a turbine generator that converts the ...
KF3617641768
... voltages and breakdown of motor insulation. Many studies for reducing the CMV have been progressed [1]. Since these methods require additional hardware and has drawbacks of increase in inverter weight and volume which are unavoidable. Direct Torque Control (DTC) is an emerging technique for controll ...
... voltages and breakdown of motor insulation. Many studies for reducing the CMV have been progressed [1]. Since these methods require additional hardware and has drawbacks of increase in inverter weight and volume which are unavoidable. Direct Torque Control (DTC) is an emerging technique for controll ...
AN4704, 3-phase Sensorless BLDC Motor Control Kit with the S12
... The exact position of the rotor can be sensed by measuring the BEMF voltage induced by the rotating permanent magnet in the unpowered phase. In Figure 5, the green windows mark the time periods in which the respective phase is unpowered. The voltage measured in this time window is the BEMF voltage. ...
... The exact position of the rotor can be sensed by measuring the BEMF voltage induced by the rotating permanent magnet in the unpowered phase. In Figure 5, the green windows mark the time periods in which the respective phase is unpowered. The voltage measured in this time window is the BEMF voltage. ...
BTPWE 504 Electrical Machines II
... stationary set of conductors wound in coils on an iron core, called the stator. The field cuts across the conductors, generating an induced EMF, as the mechanical input causes the rotor to turn. The rotating magnetic field induces an AC voltage in the stator windings. Often there are three sets of s ...
... stationary set of conductors wound in coils on an iron core, called the stator. The field cuts across the conductors, generating an induced EMF, as the mechanical input causes the rotor to turn. The rotating magnetic field induces an AC voltage in the stator windings. Often there are three sets of s ...
DEE 403 Electrical Machines II
... stationary set of conductors wound in coils on an iron core, called the stator. The field cuts across the conductors, generating an induced EMF, as the mechanical input causes the rotor to turn. The rotating magnetic field induces an AC voltage in the stator windings. Often there are three sets of s ...
... stationary set of conductors wound in coils on an iron core, called the stator. The field cuts across the conductors, generating an induced EMF, as the mechanical input causes the rotor to turn. The rotating magnetic field induces an AC voltage in the stator windings. Often there are three sets of s ...
PDF
... used regularly in most of the industries. There are some reasons for the choice of conservative AC-DC-AC inverter above the matrix converter. Even though the matrix converter topology was started in 1970 breakthrough in the field of the matrix converter happened in last decade. The number of the sem ...
... used regularly in most of the industries. There are some reasons for the choice of conservative AC-DC-AC inverter above the matrix converter. Even though the matrix converter topology was started in 1970 breakthrough in the field of the matrix converter happened in last decade. The number of the sem ...
Institutionen för systemteknik Department of Electrical Engineering Modeling and Control of Electromechanical
... Scania and controlled via the CAN bus. A dumb actuator contains no means of controlling itself and its I/O is the motor’s power pins. Intelligent actuators tend to have limited control performance, time delays and poor diagnose systems, along with durability issues. A dumb actuator could have the be ...
... Scania and controlled via the CAN bus. A dumb actuator contains no means of controlling itself and its I/O is the motor’s power pins. Intelligent actuators tend to have limited control performance, time delays and poor diagnose systems, along with durability issues. A dumb actuator could have the be ...
T4900 VAr Load Sharer
... generators. Contact signals for increase and decrease with proportional pulses are obtained as output. These pulses regulate the voltage and reactive load by controlling the AVR via an ...
... generators. Contact signals for increase and decrease with proportional pulses are obtained as output. These pulses regulate the voltage and reactive load by controlling the AVR via an ...
idle speed control
... (Idle Hardstop or Minimum Idle speed) Minimum idle rpm is factory adjusted Idle must be adjusted correctly Passages must be clean Some systems, you must adjust TPS also 502L ...
... (Idle Hardstop or Minimum Idle speed) Minimum idle rpm is factory adjusted Idle must be adjusted correctly Passages must be clean Some systems, you must adjust TPS also 502L ...
DY34760764
... reduction of acoustic noise . However, this improvement is accompanied by some side-effects. In 480/575V applications, the dv/dt value of inverter output differential mode and common mode voltage can reach as high as 7000V/sec. If a long cable is used to connect the inverter and motor, the dv/dt val ...
... reduction of acoustic noise . However, this improvement is accompanied by some side-effects. In 480/575V applications, the dv/dt value of inverter output differential mode and common mode voltage can reach as high as 7000V/sec. If a long cable is used to connect the inverter and motor, the dv/dt val ...
Brushless Servo Amplifiers
... If the motor is equipped with a winding thermostat that is normally closed, it can be connected between terminals 7 and 8 of the feedback wiring connector. If an excess temperature thermal condition exists as indicated by an open thermostat, drive current is disabled. If the motor does not have a th ...
... If the motor is equipped with a winding thermostat that is normally closed, it can be connected between terminals 7 and 8 of the feedback wiring connector. If an excess temperature thermal condition exists as indicated by an open thermostat, drive current is disabled. If the motor does not have a th ...
AN1625
... High current GND tracks (i.e. the tracks connected to the sensing resistor) must be connected directly to the negative terminal of the bulk capacitor. A good quality, high-frequency bypass capacitor is also required (typically a 100 nF÷200 nF ceramic would suffice), since electrolytic capacitors sho ...
... High current GND tracks (i.e. the tracks connected to the sensing resistor) must be connected directly to the negative terminal of the bulk capacitor. A good quality, high-frequency bypass capacitor is also required (typically a 100 nF÷200 nF ceramic would suffice), since electrolytic capacitors sho ...
Advantage 212 — Variable Speed AC drives
... Keypad selectable: local keypad control for Run, Stop and speed control or from remote signal from BAS ...
... Keypad selectable: local keypad control for Run, Stop and speed control or from remote signal from BAS ...
Brushed DC electric motor
A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Brushed motors were the first commercially important application of electric power to driving mechanical energy,and DC distribution systems were used for more than 100 years to operate motors in commercial and industrial buildings. Brushed DC motors can be varied in speed by changing the operating voltage or the strength of the magnetic field. Depending on the connections of the field to the power supply, the speed and torque characteristics of a brushed motor can be altered to provide steady speed or speed inversely proportional to the mechanical load. Brushed motors continue to be used for electrical propulsion, cranes, paper machines and steel rolling mills. Since the brushes wear down and require replacement, brushless DC motors using power electronic devices have displaced brushed motors from many applications