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Standards and Technical Documents - C37.012-2005 - IEEE Application Guide for Capacitance Current Switching for AC High-Voltage Circuit Breakers -- 10.1109/IEEESTD.2005.97974
Description: Abstract Guidance for the application of ac high-voltage circuit breakers for capacitance current switching is provided. The application guide addresses the general theory of capacitance current switching; and the notions of restrike, reignition, non-sustained disruptive discharge (NSDD
Supplier: Duncan Instruments Canada, Ltd.
Description: Main features: Insulation resistance up to 10 TOhm DC Test voltage 500 V - 10 kV in steps of 25 V The short circuit current is 5 mA Auto-calibration of measuring system Operates from mains or rechargeable supply Automatic discharge of capacitive loads Digital and bar graph results with date
Supplier: Primo Instrument Inc.
Description: insulation test if voltage > 30 V is detected for added user protection Auto-discharge of capacitive voltage for added user protection AC/DC voltage: 0.1 V to 600 V 200 mA Continuity Resistance: 0.01 ? to 20.00 K? Save battery power with auto power off Read measurements easily with large, backlit display
Description: FLUKE 1577 INsulation Multimeter Available for sale in the United States and Canada only Combines a true rms multimeter and insulation tester in one economical meter Provides live circuit detection and auto-discharge of capacitive voltage for user protection CAT III 1000 V and CAT IV 600 V
- Form Factor: Handheld
- Measurement Type: AC / DC
- Features: Battery Powered
Description: testing is easy with the remote test probe Live circuit detection prevents insulation test if voltage > 30 V is detected for added user protection Auto-discharge of capacitive voltage for added user protection AC/DC voltage: 0.1 V to 600 V 200 mA Continuity Resistance: 0.01 Ω to 20.00 kΩ
Supplier: Tradeport Electronics Group
Description: ) function Repetitive or hard-to-reach testing is easy with the remote test probe Live circuit detection prevents insulation test if voltage > 30 V is detected for added user protection Auto-discharge of capacitive voltage for added user protection AC/DC voltage: 0.1 V to 600 V 200 mA
Description: Output Discharge Function 70-mΩ High-Side MOSFET 1-A Continuous Current Thermal and Short-Circuit Protection Accurate Current Limit (1.1 A min, 1.9 A max) Operating Range: 2.7 V to 5.5 V 0.6-ms Typical Rise Time Undervoltage Lockout Deglitched Fault Report (OC) No OC Glitch During
- SSPC Type: Microcontroller based
- Mounting: Other
- Construction: Plastic Mold Construction
- Output Device: MOSFET
Supplier: Flir Commercial Systems
Description: Features: 1000V, 500V, 250V test voltages Measure Insulation Resistance to 10GOhm Large LCD display with analog bargraph Lo Ohm function for testing connections Automatic discharge of capacitive voltage charges AC/DC voltage measurement up to 999V Manual data record and read function (9 sets
- Testing Method: Manual
- Display: Digital Meter
- Safety Agency Rating: CE Conformity Marks
- Features: Audible Alarms
Supplier: Cole-Parmer Instrument Company
Description: Available for sale in the United States and Canada only Combines a true rms multimeter and insulation tester in one economical meter Provides live circuit detection and auto-discharge of capacitive voltage for user protection CAT III 1000 V and CAT IV 600 V rated These meters are ideal
- Form Factor: Handheld
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Featured Products for Capacitive Discharge Circuit Top
Duncan Instruments Canada, Ltd.
Duncan's Professional 10KV Insulation Analyzer
The MI3200 insulation tester has the PI, DD and DAR diagnostic functions, battery and line operation, IP44 rating and is equally at home in the lab and the field. Optional accessories include Teralink software and RS232 and USB cables. Insulation resistance up to 10 TOhm. DC Test voltage 500 V - 10 kV in steps of 25 V. The short circuit current is 5 mA. Auto-calibration of measuring system. Operates from mains or rechargeable supply. Automatic discharge of capacitive loads. Digital and bar... (read more)
Browse Megohmmeters Datasheets for Duncan Instruments Canada, Ltd.
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The prime concern in capacitive discharge circuits is the ability of the vacuum relay to handle large amounts of surge current stored in the capacitor. Vacuum relays are often used in high voltage circuits to protect personnel by shorting out (bleeding) a capacitive circuit to ground once the high
Introduction to Capacitive Sensing
: SIMPLE RC CIRCUIT TABLE 1: GLOSSARY OF TERMS Acronym Description ROSC ? Permittivity of Free Space o C s ? Relative Dielectric Constant r d Distance Between Capacitor Plates. AN1101, Introduction to Capacitive Sensing AN1101. Introduction to Capacitive Sensing. A SHORT HISTORY. Author: Tom
Layout and Physical Design Guidelines for Capacitive Sensing
trigger first. This circuit has been. other traces to reduce parasitic capacitance and. tested to have minimal interference with capacitive. coupling of sensors to each other. It is also good to. sensing operations. DS01102A-page 2. © 2007 Microchip Technology Inc. AN1102. MOUNTING. The demo boards shown
Medical Device Link . Protecting Circuits against Electromagnetic Threats Case shielding, circuit filtering, and cable protection are keys to meeting new electromagnetic compatibility requirements.
shorted together via a conductive metal band or should employ a special connector backshell that allows each shield to ground to the case of the connector. FILTER CAPACITANCE VALUES If signal leads employ line-to-chassis capacitive filtering, then the amount of capacitance will be limited
An Overview of Electromagnetic and Lightning Induced Voltage Transients (.pdf)
oscillations depend on the L and C parameters. Repeatable Transients. of the circuit. Another important point to remember is that the. secondary side will be part of a capacitive divider network in. A sudden change in the electrical conditions of any circuit. series with the transformer interwinding
Medical Device Link . Design Technologies for Immunity to Electromagnetic Threats
to ground to the case of the connector. Controlling Filter Capacitance Values If signal leads are going to employ line-to-chassis capacitive filtering, then the amount of capacitance will be limited by the allowed leakage current. LC filters where the CM inductance is large will allow the pin
Medical Device Link .
of the ground wire, but the leading edge of the current is through capacitive or planar paths. Depending on the wire length, stray capacitance, and resistive losses, poorly dampened oscillations will follow. This is a key point when addressing ESD: an earth ground via a green wire ground
Capacitor Engineering Bulletin: Polarization and Leakage Current Characterizations of High Voltage, Film Capacitors
) = 0.00001. .00002. where Zr and Zc are the resistive and. .00018. capacitive impedances, is the angular. frequency, and C is the capacitance. .00016. Note that tangent is the same as the. .00014. Skin. dissipation factor, or DF . s. ) .00012. Effect. .00010. (Ohm. The energy loss in the circuit
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