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LTC4081
LTC4081

... may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4081 is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C operating temperatur ...
2016 Catalog - Ventex Tech
2016 Catalog - Ventex Tech

Third Harmonic Injection Technique
Third Harmonic Injection Technique

... which is connected in series with a.c. network via an interfacing transformer which was originally conceived to eliminate voltage sag. But by using proper control scheme we can increase the capability of this Converter [1]. The design of control law for DVR: Most of the published work on DVR uses a ...
PAM2305 Description Pin Assignments
PAM2305 Description Pin Assignments

Control of Grid Side Inverter in a B2B Configuration for WT
Control of Grid Side Inverter in a B2B Configuration for WT

Application Note AN-49 LinkSwitch-PH Family
Application Note AN-49 LinkSwitch-PH Family

... directly [B46]. Entering Auto will select a core size suitable for the specified output power. If the desired core is not listed, then you may enter a core’s characteristics AE, LE and AL ([B48], [B49], [B50]). Enter in the bobbin width BW [B51]. If margin tape is required (non triple insulated wire ...
Application Note 9017 Manufacturing Technology of a Small Capacity Inverter CONTENTS
Application Note 9017 Manufacturing Technology of a Small Capacity Inverter CONTENTS

MAX8709B High-Efficiency CCFL Backlight Controller with SMBus Interface General Description
MAX8709B High-Efficiency CCFL Backlight Controller with SMBus Interface General Description

OMDESIREDTI P
OMDESIREDTI P

... con?guration Where the dominant pole is set only by the output load capacitance for both the common-mode and supply rejection ratio (PSRR) it is desirable to have a fully ...
PAM2309 Description Pin Assignments
PAM2309 Description Pin Assignments

P11 Series - Allied Electronics
P11 Series - Allied Electronics

... Be sure to provide an appropriate fail-safe function to prevent secondary product damage caused by malfunction (e.g. use a metal oxide varistor for limitation of overvoltage condition). This listing does not claim to be complete, but merely reflects the experience of EPCOS AG. ...
CMS2005 - Sensitec GmbH
CMS2005 - Sensitec GmbH

... charges) irrespective the legal base the claims are based on, including but not limited to tort (including negligence), warranty, breach of contract, equity or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, Sensitec product aggregate and cumu ...
LTM8023 - 2A, 36V DC/DC Step-Down uModule Regulator
LTM8023 - 2A, 36V DC/DC Step-Down uModule Regulator

... acceptable, and can yield improved dynamic response, if it is necessary. Again, it is incumbent upon the user to verify proper operation over the intended system’s line, load and environmental conditions. Ceramic capacitors are small, robust and have very low ESR. However, not all ceramic capacitors ...
Introduction to Three
Introduction to Three

... Introduction to Three-Phase Power ...
motors for copeland™ semi-hermetic compressors
motors for copeland™ semi-hermetic compressors

... bushings. This motor is interchangeable for star (Y) or delta (Δ) operation by means of bridges in the terminal box or via contactors. The voltage versions L, N & K are suitable for two voltages, eg, 400V in star connection, 230V in delta. The voltage versions M, D & Y of this motor shall be used fo ...
1N4148WS / BAV16WS Features Mechanical Data
1N4148WS / BAV16WS Features Mechanical Data

... Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use o ...
Chapter 3 Bipolar Junction Transistor
Chapter 3 Bipolar Junction Transistor

... source in the base circuit. Recall that small changes in the base current circuit causes large changes in collector current circuit. The small ac voltage causes the base current to increase and decrease accordingly and with this small change in current the collector current will mimic the input only ...
Design Consideration for Boundary Conduction Mode Power Factor
Design Consideration for Boundary Conduction Mode Power Factor

... of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein ...
Mode Transitions in Hall-Effect Thrusters Induced by
Mode Transitions in Hall-Effect Thrusters Induced by

The Generalized Discontinuous PWM Scheme for Three
The Generalized Discontinuous PWM Scheme for Three

MAX16914/MAX16915 Ideal Diode, Reverse-Battery, and Overvoltage Protection Switch/Limiter Controllers with External MOSFETs
MAX16914/MAX16915 Ideal Diode, Reverse-Battery, and Overvoltage Protection Switch/Limiter Controllers with External MOSFETs

Voltage recovery after unbalanced and balanced voltage dips in
Voltage recovery after unbalanced and balanced voltage dips in

... voltages [1], [2]. Voltage dips are due to short-duration increases in current elsewhere in the power system. The main causes of voltage dips are faults, motor starting, and transformer energizing. A voltage dip at the terminals of equipment may lead to maloperation of the equipment. Most maloperati ...
ZHCS400 Product Summary Features and Benefits
ZHCS400 Product Summary Features and Benefits

Lecture 10 - UniMAP Portal
Lecture 10 - UniMAP Portal

... motion about a fixed point.  The velocity with which the radius vector rotates about the center, called the angular velocity, can be determined from the following equation: ...
TSHF6210
TSHF6210

< 1 ... 55 56 57 58 59 60 61 62 63 ... 449 >

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.
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