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glossary of power terms
... Factor) — method of calculating transformer derating established by CBEMA for phase-to-neutral loads. ...
... Factor) — method of calculating transformer derating established by CBEMA for phase-to-neutral loads. ...
Protection Relay NJBK1 Series Motor Protector
... a higher relative humidity is allowable at lower temperatures, for example: at +20℃,the air humidity can reach 90%, and special measures shall be taken to condensation occasionally produced due to temperature changes. 3.4 Class of pollution: 3. 3.5 Inclination between the mounting surface and vertic ...
... a higher relative humidity is allowable at lower temperatures, for example: at +20℃,the air humidity can reach 90%, and special measures shall be taken to condensation occasionally produced due to temperature changes. 3.4 Class of pollution: 3. 3.5 Inclination between the mounting surface and vertic ...
W005G-W10G 1.5 Ampere Glass Passivated Bridge Rectifiers
... Non-repetitive Peak Forward Surge Current 8.3 ms single half-sine-wave Superimposed on rated load (JEDEC method) Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Ambient,** per leg ...
... Non-repetitive Peak Forward Surge Current 8.3 ms single half-sine-wave Superimposed on rated load (JEDEC method) Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Ambient,** per leg ...
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
... The LB1638, 1638M are low-saturation bidirectional motor driver ICs for use in low-voltage applications. At an IO of 500 mA, they have a low saturation output of VO (sat) = 0.75 V. They are especially suited for use in compact motor of portable equipment. ...
... The LB1638, 1638M are low-saturation bidirectional motor driver ICs for use in low-voltage applications. At an IO of 500 mA, they have a low saturation output of VO (sat) = 0.75 V. They are especially suited for use in compact motor of portable equipment. ...
LRS-75-5 Datasheet - Mouser Electronics
... 3. Tolerance : includes set up tolerance, line regulation and load regulation. 4. Line regulation is measured from low line to high line at rated load. 5. Load regulation is measured from 0% to 100% rated load. 6. Length of set up time is measured at cold first start. Turning ON/OFF the power supply ...
... 3. Tolerance : includes set up tolerance, line regulation and load regulation. 4. Line regulation is measured from low line to high line at rated load. 5. Load regulation is measured from 0% to 100% rated load. 6. Length of set up time is measured at cold first start. Turning ON/OFF the power supply ...
POWER SUPPLIES
... These versatile dual-output models each contain two identical, independently adjustable 60 watt power supplies in a full-rack width case. The regulator, voltage and current control, and metering circuits of each section of the supply are electrically identical to those of the individual 37-75 watt m ...
... These versatile dual-output models each contain two identical, independently adjustable 60 watt power supplies in a full-rack width case. The regulator, voltage and current control, and metering circuits of each section of the supply are electrically identical to those of the individual 37-75 watt m ...
Rectifier output smoothing
... A full-wave rectifier converts the whole of the input waveform to one of constant polarity (positive or negative) at its output. Full-wave rectification converts both polarities of the input waveform to DC (direct current), and is more efficient. However, in a circuit with a non-center tapped transf ...
... A full-wave rectifier converts the whole of the input waveform to one of constant polarity (positive or negative) at its output. Full-wave rectification converts both polarities of the input waveform to DC (direct current), and is more efficient. However, in a circuit with a non-center tapped transf ...
Specification Status: Released 2Pro Device Series
... the right to change or update, without notice, any information contained in this publication; to change, without notice, the design, construction, processing, or specification of any product; and to discontinue or limit production or distribution of any product. This publication supersedes and repla ...
... the right to change or update, without notice, any information contained in this publication; to change, without notice, the design, construction, processing, or specification of any product; and to discontinue or limit production or distribution of any product. This publication supersedes and repla ...
WELDING INVERTERS AT ARCRAFT PLASMA AC Line voltage
... This rectified voltage is filtered to make it pure DC. This DC voltage is taken as the input to the switching device ...
... This rectified voltage is filtered to make it pure DC. This DC voltage is taken as the input to the switching device ...
Electricity 2 - schoolphysics
... 6. What will be the reading on ammeter 11 if bulb 13 blows? 7. If a current of 25 mA flows in a wire how many electrons pass that point per second? Charge on one electron = -1.6x10-19 C 8. Define: (a) resistance (b) resistivity 9. Draw a graph to show how the current varies with the voltage for: (a ...
... 6. What will be the reading on ammeter 11 if bulb 13 blows? 7. If a current of 25 mA flows in a wire how many electrons pass that point per second? Charge on one electron = -1.6x10-19 C 8. Define: (a) resistance (b) resistivity 9. Draw a graph to show how the current varies with the voltage for: (a ...
Chapter 4 The Construction of an x-ray Unit
... 3. On the x-ray machine, which control governs the length of time the XRays are produced? Time setting given in seconds or milli seconds controls the exposure time. This may be linked to the mA and calculated as mAs. ...
... 3. On the x-ray machine, which control governs the length of time the XRays are produced? Time setting given in seconds or milli seconds controls the exposure time. This may be linked to the mA and calculated as mAs. ...
Gas-filled Tubes
... By adjusting the negative on the control grid, the ionisation the gas in the tube can be at any anode-cathode potential. Once the ionisation starts, the control grid loses all control. It is because the positive ions created due to ionization neutralize the negative charge on the grid, thereby prev ...
... By adjusting the negative on the control grid, the ionisation the gas in the tube can be at any anode-cathode potential. Once the ionisation starts, the control grid loses all control. It is because the positive ions created due to ionization neutralize the negative charge on the grid, thereby prev ...
STEVAL-ISA006V1
... for EMI reasons to sustain burst pulses of 2kV. Capacitor C1 together with capacitor C2 and inductor L1 form an EMI filter. The DC voltage at C2 is then applied to the transformer primary winding through the internal Power MOSFET switch of VIPer12 during the switching period ON time. The snubber cir ...
... for EMI reasons to sustain burst pulses of 2kV. Capacitor C1 together with capacitor C2 and inductor L1 form an EMI filter. The DC voltage at C2 is then applied to the transformer primary winding through the internal Power MOSFET switch of VIPer12 during the switching period ON time. The snubber cir ...
180.0 ° 50.01 Hz 49.99 Hz 230.2 V 228.1 V
... The phase angle is calculated from the relationship between two power signals, which can be two currents, two voltages or any combination. Currents up to 25 A and voltages up to 500 V can be applied directly to the instrument. The current input range can be extended by using external current transfo ...
... The phase angle is calculated from the relationship between two power signals, which can be two currents, two voltages or any combination. Currents up to 25 A and voltages up to 500 V can be applied directly to the instrument. The current input range can be extended by using external current transfo ...
electrical
... smooth DC supply which has a very small variation called ripple. Cells, batteries and regulated power supplies provide steady DC which is ideal for electronic circuits. Lamps, heaters and some types of motors will also work with any DC supply. ...
... smooth DC supply which has a very small variation called ripple. Cells, batteries and regulated power supplies provide steady DC which is ideal for electronic circuits. Lamps, heaters and some types of motors will also work with any DC supply. ...
Mercury-arc valve
A mercury-arc valve or mercury-vapor rectifier or (UK) mercury-arc rectifier is a type of electrical rectifier used for converting high-voltage or high-current alternating current (AC) into direct current (DC). It is a type of cold cathode gas-filled tube, but is unusual in that the cathode, instead of being solid, is made from a pool of liquid mercury and is therefore self-restoring. As a result, mercury-arc valves were much more rugged, long-lasting and could carry much higher currents than most other types of gas discharge tube.Invented in 1902 by Peter Cooper Hewitt, mercury-arc rectifiers were used to provide power for industrial motors, electric railways, streetcars, and electric locomotives, as well as for radio transmitters and for high-voltage direct current (HVDC) power transmission. They were the primary method of high power rectification before the advent of semiconductor rectifiers, such as diodes, thyristors and gate turn-off thyristors (GTOs) in the 1970s.