mains related issues & queries in ElectronicsXchanger

Circuit for Neutral point of 3-Phase mains

power-electronics mains three-phase motor-controller neutral
Updated February 18, 2019 01:25 AM

Detecting mains power change: One signal when on, another signal when off

power mains trigger
Updated February 17, 2019 11:25 AM

Transformers and high voltage elements

transformer ac mains
Updated February 15, 2019 17:25 PM

Can I simply add a 240V Neutral to SONOFF TH10 when replacing wall thermostat

mains safety wiring heat thermostat
Updated February 15, 2019 09:25 AM

24v DC to 120v AC relay with current sensing? (re: Arduino, etc)

arduino microcontroller relay mains 24v
Updated February 13, 2019 21:25 PM

Can I use a 28VDC 10A relay to toggle a 10kVDC .03A source?

power relay mains
Updated February 12, 2019 21:25 PM

Is a safe 110/120VAC benchtop power tap possible?

power-supply ac mains
Updated February 05, 2019 20:25 PM

Mains AC overvoltage protection using a TRIAC

mains protection triac
Updated February 05, 2019 13:25 PM

Railway overhead lines: What happens to other two phases in sincle phase railway power?

power-supply ac mains
Updated February 02, 2019 19:25 PM

Using 120 VAC 60 Hz battery charger with 50 Hz AC

transformer frequency mains
Updated January 31, 2019 20:25 PM

Is isolation between user accessible circuits and protective earth necessary for safety?

pcb-design mains safety isolation
Updated January 30, 2019 18:25 PM

Ability of a 100km power transmission line to radiate 50Hz EM waves?

power antenna mains emc radiation
Updated January 30, 2019 05:25 AM

Not sure about max. switching power of relay in following datasheet. Please help

power current relay mains high-voltage
Updated January 28, 2019 08:25 AM

Home Automation - Mains Power Switch (Contactor, Relay or etc.) Any way of controlling mains power in the house remotely?

power mains home-automation modbus contactor
Updated January 25, 2019 13:25 PM

tilt switch to activate power socket

power switches mains
Updated January 24, 2019 13:25 PM

Switching 240VAC 1A max from 5VDC

relay components mains switching
Updated January 23, 2019 16:25 PM

Comparing the quality of electronics of these two USB power adapters

power-supply power usb power-electronics mains
Updated January 23, 2019 13:25 PM

How can I run my e-bike wheel on AC power?

transformer mains brushless-dc-motor ac-dc
Updated January 22, 2019 16:25 PM

Transformer open secondary

capacitor transformer mains
Updated January 21, 2019 09:25 AM

PE pin position

connector mains layout earth
Updated January 19, 2019 13:25 PM

Fusing on dual voltage industrial device

ac mains safety fuses industrial
Updated January 17, 2019 16:25 PM

Can I use a RF and/or Time-domain reflectometer to find 'wet contact'?

measurement mains transmission-line
Updated January 14, 2019 12:25 PM

Why step up transformer is used at the generating station to step up the transmission line voltage?

transformer mains transmission-line
Updated January 14, 2019 07:25 AM

Question on Ground/Neutral connection for a 220V equipment

mains grounding neutral
Updated January 10, 2019 15:25 PM

Measure AC Mains current using ACS712?

arduino current-measurement mains
Updated January 10, 2019 12:25 PM

Electrical safety measures in LED bulbs for the European market

mains safety led-driver fuses standard
Updated January 06, 2019 20:25 PM

Designing an inverter with its DC volt and gnd connectors as multi-pins along the PCB, how do i lay out my decoupling capacitors?

switch-mode-power-supply power-electronics mains
Updated January 06, 2019 14:25 PM

Power out fuse box fault

mains fuses
Updated January 05, 2019 10:25 AM

on a network analyzer's measurement what's the meaning of a negative PF?

transformer mains power-factor-correction
Updated January 04, 2019 02:25 AM

Calculate Angle for Triac Phase Control

mains triac phase dimmer rms
Updated December 29, 2018 23:25 PM

What fuse to select for a 240W power supply

power-supply mains fuses
Updated December 29, 2018 16:25 PM

Transformer Damage

capacitor transformer mains high-voltage
Updated December 29, 2018 06:25 AM

Rocker switch & Electronic Relay switch circuit (240v)

relay circuit-design mains
Updated December 28, 2018 22:25 PM

Is there a simple way to assess the quality of a string of LED lights? (Without a datasheet)

power led mains led-matrix
Updated December 26, 2018 23:25 PM

4 channel digital scope

ac oscilloscope mains alternator
Updated December 19, 2018 21:25 PM

What is the purpose of a reset button on power strips?

ac mains
Updated December 17, 2018 01:25 AM

Small device to detect AC outage

ac mains
Updated December 12, 2018 17:25 PM

Why do we have "live" and "neutral" wires?

ac mains safety
Updated December 06, 2018 15:25 PM

Pros and cons of centralised vs decentralised power deliver for small devices

power-supply mains efficiency low-voltage
Updated December 05, 2018 11:25 AM

Supplying relay board with mains voltage

voltage relay mains amperage
Updated December 03, 2018 21:25 PM

During the positive cycle of US AC MAINS Electricity is the secondary Voltage back EMF or in phase with the AC MAINS?

transformer ac mains inductance phase
Updated December 02, 2018 14:25 PM

Circuit to produce quartz-controlled 50Hz frequency with a 240V output

oscillator frequency clock mains crystal
Updated November 30, 2018 13:25 PM

ESP8266 line voltage detection, schmitt trigger needed?

mains opto-isolator esp8266
Updated November 29, 2018 22:25 PM

Do 240V AC switches only need to open the active wire?

switches ac mains safety appliances
Updated November 28, 2018 22:25 PM

Non-contact mains voltage measurement

power current-measurement mains voltage-measurement
Updated November 18, 2018 05:25 AM

How much power do power stations in parallel supply?

power mains generator power-engineering power-grid
Updated November 14, 2018 10:25 AM

How to eliminate a small voltage in a home AC mains cable

mains zener home-installation
Updated November 12, 2018 10:25 AM

Is there a practical way to create/inject some visible interference into a nearby AC mains?

ac noise mains
Updated November 07, 2018 20:25 PM

Relay switch board wiring to double/single socket, from plug

relay mains amperage socket small-electronics
Updated November 05, 2018 21:25 PM

60 Hz signal between thumb and forefinger?

oscilloscope mains
Updated November 02, 2018 22:25 PM

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