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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
0
answers
9
views
0
votes
Detecting mains power change: One signal when on, another signal when off
power
mains
trigger
Updated February 17, 2019 11:25 AM
0
answers
6
views
0
votes
Transformers and high voltage elements
transformer
ac
mains
Updated February 15, 2019 17:25 PM
0
answers
22
views
1
votes
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
1
answers
10
views
0
votes
24v DC to 120v AC relay with current sensing? (re: Arduino, etc)
arduino
microcontroller
relay
mains
24v
Updated February 13, 2019 21:25 PM
0
answers
7
views
0
votes
Can I use a 28VDC 10A relay to toggle a 10kVDC .03A source?
power
relay
mains
Updated February 12, 2019 21:25 PM
3
answers
28
views
0
votes
Is a safe 110/120VAC benchtop power tap possible?
power-supply
ac
mains
Updated February 05, 2019 20:25 PM
0
answers
15
views
0
votes
Mains AC overvoltage protection using a TRIAC
mains
protection
triac
Updated February 05, 2019 13:25 PM
1
answers
12
views
0
votes
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
0
answers
4
views
0
votes
Using 120 VAC 60 Hz battery charger with 50 Hz AC
transformer
frequency
mains
Updated January 31, 2019 20:25 PM
0
answers
19
views
0
votes
Is isolation between user accessible circuits and protective earth necessary for safety?
pcb-design
mains
safety
isolation
Updated January 30, 2019 18:25 PM
0
answers
9
views
1
votes
Ability of a 100km power transmission line to radiate 50Hz EM waves?
power
antenna
mains
emc
radiation
Updated January 30, 2019 05:25 AM
0
answers
18
views
0
votes
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
0
answers
3
views
0
votes
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
0
answers
6
views
0
votes
tilt switch to activate power socket
power
switches
mains
Updated January 24, 2019 13:25 PM
0
answers
12
views
0
votes
Switching 240VAC 1A max from 5VDC
relay
components
mains
switching
Updated January 23, 2019 16:25 PM
0
answers
4
views
0
votes
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
0
answers
23
views
-4
votes
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
0
answers
16
views
0
votes
Transformer open secondary
capacitor
transformer
mains
Updated January 21, 2019 09:25 AM
0
answers
16
views
0
votes
PE pin position
connector
mains
layout
earth
Updated January 19, 2019 13:25 PM
0
answers
9
views
0
votes
Fusing on dual voltage industrial device
ac
mains
safety
fuses
industrial
Updated January 17, 2019 16:25 PM
1
answers
12
views
0
votes
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
0
answers
7
views
0
votes
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
3
answers
1367
views
-5
votes
Question on Ground/Neutral connection for a 220V equipment
mains
grounding
neutral
Updated January 10, 2019 15:25 PM
0
answers
9
views
0
votes
Measure AC Mains current using ACS712?
arduino
current-measurement
mains
Updated January 10, 2019 12:25 PM
0
answers
4
views
0
votes
Electrical safety measures in LED bulbs for the European market
mains
safety
led-driver
fuses
standard
Updated January 06, 2019 20:25 PM
0
answers
9
views
0
votes
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
0
answers
10
views
0
votes
Power out fuse box fault
mains
fuses
Updated January 05, 2019 10:25 AM
0
answers
7
views
-2
votes
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
0
answers
3
views
0
votes
Calculate Angle for Triac Phase Control
mains
triac
phase
dimmer
rms
Updated December 29, 2018 23:25 PM
0
answers
4
views
0
votes
What fuse to select for a 240W power supply
power-supply
mains
fuses
Updated December 29, 2018 16:25 PM
0
answers
11
views
0
votes
Transformer Damage
capacitor
transformer
mains
high-voltage
Updated December 29, 2018 06:25 AM
0
answers
8
views
0
votes
Rocker switch & Electronic Relay switch circuit (240v)
relay
circuit-design
mains
Updated December 28, 2018 22:25 PM
1
answers
13
views
0
votes
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
0
answers
7
views
0
votes
4 channel digital scope
ac
oscilloscope
mains
alternator
Updated December 19, 2018 21:25 PM
0
answers
6
views
0
votes
What is the purpose of a reset button on power strips?
ac
mains
Updated December 17, 2018 01:25 AM
1
answers
18
views
0
votes
Small device to detect AC outage
ac
mains
Updated December 12, 2018 17:25 PM
1
answers
17
views
0
votes
Why do we have "live" and "neutral" wires?
ac
mains
safety
Updated December 06, 2018 15:25 PM
2
answers
36
views
0
votes
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
2
answers
13
views
0
votes
Supplying relay board with mains voltage
voltage
relay
mains
amperage
Updated December 03, 2018 21:25 PM
0
answers
17
views
-1
votes
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
0
answers
6
views
0
votes
Circuit to produce quartz-controlled 50Hz frequency with a 240V output
oscillator
frequency
clock
mains
crystal
Updated November 30, 2018 13:25 PM
0
answers
14
views
0
votes
ESP8266 line voltage detection, schmitt trigger needed?
mains
opto-isolator
esp8266
Updated November 29, 2018 22:25 PM
1
answers
1584
views
2
votes
Do 240V AC switches only need to open the active wire?
switches
ac
mains
safety
appliances
Updated November 28, 2018 22:25 PM
1
answers
13
views
0
votes
Non-contact mains voltage measurement
power
current-measurement
mains
voltage-measurement
Updated November 18, 2018 05:25 AM
1
answers
347
views
3
votes
How much power do power stations in parallel supply?
power
mains
generator
power-engineering
power-grid
Updated November 14, 2018 10:25 AM
0
answers
6
views
0
votes
How to eliminate a small voltage in a home AC mains cable
mains
zener
home-installation
Updated November 12, 2018 10:25 AM
0
answers
12
views
0
votes
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
1
answers
17
views
0
votes
Relay switch board wiring to double/single socket, from plug
relay
mains
amperage
socket
small-electronics
Updated November 05, 2018 21:25 PM
0
answers
5
views
1
votes
60 Hz signal between thumb and forefinger?
oscilloscope
mains
Updated November 02, 2018 22:25 PM
1
answers
19
views
0
votes
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