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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
... PART A Answer all questions. All questions carry equal marks. ...
... PART A Answer all questions. All questions carry equal marks. ...
6SN7 SE TJ FullMusic
... Classification- It is a Twin triode. Dome-type bulb of glass, copper ceramic base with eight golden pins. Application -It intended for use a voltage amplifier or Phase inuerter. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base t ...
... Classification- It is a Twin triode. Dome-type bulb of glass, copper ceramic base with eight golden pins. Application -It intended for use a voltage amplifier or Phase inuerter. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base t ...
File
... connection between two points in a circuit, often causing excess current flow. - current travels along a different path than originally intended. Short circuits may cause: circuit damage, overheating, fire or explosion. ...
... connection between two points in a circuit, often causing excess current flow. - current travels along a different path than originally intended. Short circuits may cause: circuit damage, overheating, fire or explosion. ...
Basslink HVDC Interconnector - System Design
... 500 MW (± 400 kV, 1250 A) defined at the DC side of the rectifier station with the AC system parameters, e.g. voltages and frequencies, within their normal range and at maximum ambient temperature. Both converter stations are designed to transmit rated power in either direction. The rated transmissi ...
... 500 MW (± 400 kV, 1250 A) defined at the DC side of the rectifier station with the AC system parameters, e.g. voltages and frequencies, within their normal range and at maximum ambient temperature. Both converter stations are designed to transmit rated power in either direction. The rated transmissi ...
BC 1500 BM ~ Power Supply
... The BC 1500 BM input current is power factor corrected, and is configured for optimum adaptation to weak power sources such as portable generators. The efficiency is very high due to the soft switching converter technology. The planar high frequency magnetic components make the unit lightweight and ...
... The BC 1500 BM input current is power factor corrected, and is configured for optimum adaptation to weak power sources such as portable generators. The efficiency is very high due to the soft switching converter technology. The planar high frequency magnetic components make the unit lightweight and ...
88249-2/up motor ball valve - Automatisation Pneumac Inc.
... The motorized ball valve is particularly suited to heavily contaminated compressed air applications that cause typical solenoid drain valves to clog and malfunction. Precision control of the flow rate by simple timer adjustments make this valve suitable for a broad range of applications. ...
... The motorized ball valve is particularly suited to heavily contaminated compressed air applications that cause typical solenoid drain valves to clog and malfunction. Precision control of the flow rate by simple timer adjustments make this valve suitable for a broad range of applications. ...
Series and Parallel Circuits
... Overall resistance goes down because more than one electron can get through at once ...
... Overall resistance goes down because more than one electron can get through at once ...
Neon converters (EVGs) - Hansen: LED technology, neon technique
... The longer the tube the higher is the required voltage which must be provided by the converter. What effect does the tube diameter have on the ignition voltage? The thinner the tube the higher is the required voltage. Thicker tubes require a lower voltage for ignition because of their larger cross-s ...
... The longer the tube the higher is the required voltage which must be provided by the converter. What effect does the tube diameter have on the ignition voltage? The thinner the tube the higher is the required voltage. Thicker tubes require a lower voltage for ignition because of their larger cross-s ...
A voltage controlled adjustable speed
... ABSTRACT In this paper, a buck half-bridge DC-DC converter is used as a single-stage power factor correction (PFC)converter for feeding a voltage source inverter (VSI) based permanent magnet brushless ...
... ABSTRACT In this paper, a buck half-bridge DC-DC converter is used as a single-stage power factor correction (PFC)converter for feeding a voltage source inverter (VSI) based permanent magnet brushless ...
H-Bridge
... Basic Theory: PMDC motor • PMDC motors can be modeled as an inductor, a voltage source and a resistance. • Torque is proportional to the current • The internal voltage source is proportional to the RPM (Back-EMF) • Stall current/max torque is proportional to the internal resistance. ...
... Basic Theory: PMDC motor • PMDC motors can be modeled as an inductor, a voltage source and a resistance. • Torque is proportional to the current • The internal voltage source is proportional to the RPM (Back-EMF) • Stall current/max torque is proportional to the internal resistance. ...
SST505 - Micross Components
... Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . POV = 50V 1. Absolute maximum ratings are limiting values above which serviceability may be impaired. 2. Pulsed, t = 2ms. Maximum VF where IF < 1.1IF(max). 3. Pulsed, t = 2ms. Continuous currents may vary. 4. Pulsed, t = 2ms. ...
... Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . POV = 50V 1. Absolute maximum ratings are limiting values above which serviceability may be impaired. 2. Pulsed, t = 2ms. Maximum VF where IF < 1.1IF(max). 3. Pulsed, t = 2ms. Continuous currents may vary. 4. Pulsed, t = 2ms. ...
Ground fault circuit interrupters (GFI) are circuits
... The objective to reach is significant reduction of leakage current when an electric motor is used with an adjustable frequency drive. Ground fault circuit interrupters (GFCI) are circuits that measure the differential current between active wires and therefore detect the amount of current returning ...
... The objective to reach is significant reduction of leakage current when an electric motor is used with an adjustable frequency drive. Ground fault circuit interrupters (GFCI) are circuits that measure the differential current between active wires and therefore detect the amount of current returning ...
IEEE 519 Tables Regarding Voltage and Harmonic Distortion Limits
... IEEE Std. 519™-2014 is a standard developed for utility companies and their customers in order to limit harmonic content and provide all users with better power quality. Some of the key areas of the standard are detailed in the following tables. Bear in mind that dealing with harmonics may still be ...
... IEEE Std. 519™-2014 is a standard developed for utility companies and their customers in order to limit harmonic content and provide all users with better power quality. Some of the key areas of the standard are detailed in the following tables. Bear in mind that dealing with harmonics may still be ...
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.