MC330 MC320
... The meter is intended for monitoring and measuring electrical quantities of single and three-phase electric-energy system. The MC330 and MC320 record energy like the electricity meter in all four quadrants in up to four tariffs. Up to 2 pulse outputs or 2 tariff inputs are available for measurements ...
... The meter is intended for monitoring and measuring electrical quantities of single and three-phase electric-energy system. The MC330 and MC320 record energy like the electricity meter in all four quadrants in up to four tariffs. Up to 2 pulse outputs or 2 tariff inputs are available for measurements ...
APLYING VARIABLE SPEED DRIVES ON A GENERATOR POWER
... the generator and how each affects the other is essential to assure proper operation of the final system. Drive Basics: Lets start by looking at the basic designs and power requirements of an AC drive. Most drives use either 6 SCR’s (Silicon Controlled Rectifier) or 6 diodes to create a full wave th ...
... the generator and how each affects the other is essential to assure proper operation of the final system. Drive Basics: Lets start by looking at the basic designs and power requirements of an AC drive. Most drives use either 6 SCR’s (Silicon Controlled Rectifier) or 6 diodes to create a full wave th ...
Power Point Presentation
... “Protecting you from the worst electrical problems” It is available in power levels of ...
... “Protecting you from the worst electrical problems” It is available in power levels of ...
Power Point Presentation
... “Protecting you from the worst electrical problems” It is available in power levels of ...
... “Protecting you from the worst electrical problems” It is available in power levels of ...
A Prototype Of Solar Powered Car
... stored in a battery during and after charging it from a solar panel. • The charged batteries are used to drive the motor which serves here as an engine and moves the vehicle in reverse or forward direction. • The DPDT switch and relay is provided to control the motor speed. • This avoids excess flow ...
... stored in a battery during and after charging it from a solar panel. • The charged batteries are used to drive the motor which serves here as an engine and moves the vehicle in reverse or forward direction. • The DPDT switch and relay is provided to control the motor speed. • This avoids excess flow ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... leading to excessive generation of heat, and the risk of fire or damage to equipment. Some of possible causes for over currents are short circuits, ground faults, failure of mechanical components, reduction in flux, failure of one of the phase of supply, failure of insulation excessive load, and inc ...
... leading to excessive generation of heat, and the risk of fire or damage to equipment. Some of possible causes for over currents are short circuits, ground faults, failure of mechanical components, reduction in flux, failure of one of the phase of supply, failure of insulation excessive load, and inc ...
Introduction, Features and Applications
... same time causes more heating in the motor and driver. Therefore, output current is generally set to be such that the motor will not overheat for long time operation. Since parallel and serial connections of motor coils will significantly change resulting inductance and resistance, it is therefore i ...
... same time causes more heating in the motor and driver. Therefore, output current is generally set to be such that the motor will not overheat for long time operation. Since parallel and serial connections of motor coils will significantly change resulting inductance and resistance, it is therefore i ...
SPOTLIGHT DC 75-300 Power Supply for Arc Lamps
... mercury and xenon lamps between 3 to 22A up to 30kV. Tested on many of the lamps available on the market, the DC75-300 Lab Power Supply has been especially designed for optimum operation with mercury, xenon and mercuryxenon light sources. The “State of the Art” electronic design provides efficient o ...
... mercury and xenon lamps between 3 to 22A up to 30kV. Tested on many of the lamps available on the market, the DC75-300 Lab Power Supply has been especially designed for optimum operation with mercury, xenon and mercuryxenon light sources. The “State of the Art” electronic design provides efficient o ...
20/1
... ii. Calculate the bias voltages on all nodes, assuming VI,CM=1V. Specifically: tail, G2, G3, G5, G6, S3B, S4AB, and out. iii. the gm and ro parameters for M1 through M5 b. Calculate Gm, Ro, and Av c. Calculate the input common mode range and output swing. d. What is the minimum voltage that could be ...
... ii. Calculate the bias voltages on all nodes, assuming VI,CM=1V. Specifically: tail, G2, G3, G5, G6, S3B, S4AB, and out. iii. the gm and ro parameters for M1 through M5 b. Calculate Gm, Ro, and Av c. Calculate the input common mode range and output swing. d. What is the minimum voltage that could be ...
ohms_law
... and the c__________ flowing through the resistor on the a__________ and we record them in the table (next page). For each reading of these two variables we can work out the value of the resistance by using the formula (Ohm’s Law): Resistance (Ohms) = _________________ ...
... and the c__________ flowing through the resistor on the a__________ and we record them in the table (next page). For each reading of these two variables we can work out the value of the resistance by using the formula (Ohm’s Law): Resistance (Ohms) = _________________ ...
Application Note
... On occasion, one or more drives in a system may be absorbing power from the machine and pumping it back into the drive. This condition is called regeneration. This occurs when motors are being “overhauled” (mechanically pulled at a speed faster than their setpoint) or when the drive and motor are “h ...
... On occasion, one or more drives in a system may be absorbing power from the machine and pumping it back into the drive. This condition is called regeneration. This occurs when motors are being “overhauled” (mechanically pulled at a speed faster than their setpoint) or when the drive and motor are “h ...
Application Note 777 LM2577 Three Output, Isolated
... large primary inductance (LP = 300 µH) is needed for the transformer. Using a Ferroxcube 812E250-3C8 E core, the primary winding requires about 50 turns. With the turnsratios as they are shown on the schematic and the small core size, the transformer windings must be wound tightly so that they fit t ...
... large primary inductance (LP = 300 µH) is needed for the transformer. Using a Ferroxcube 812E250-3C8 E core, the primary winding requires about 50 turns. With the turnsratios as they are shown on the schematic and the small core size, the transformer windings must be wound tightly so that they fit t ...
DC Motor
... The commutator bars are soldered to armature coils. The brush/commutator combination makes a sliding switch that energizes particular portions of the armature, based on the position of the rotor. This process creates north and south magnetic poles on the rotor that are attracted to or repelled by no ...
... The commutator bars are soldered to armature coils. The brush/commutator combination makes a sliding switch that energizes particular portions of the armature, based on the position of the rotor. This process creates north and south magnetic poles on the rotor that are attracted to or repelled by no ...
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.