What goes with AC stepper drive, a stepper AC motor?
Open Circuit a Current Transformer
Why should you never open circuit a CT?
By K Mayer on 27 February, 2017 - 9:44 am
I've been reading this thread with some interest because the danger of an open circuit CT figures...
Beginner AC Servo Motor Guide
How to control AC servo motors.
Selection of Electrical Apparatus in Hazardous Environment
Meaning of markings and temperature specifications according to IEC/EN 60079.
By Harish on 24 February, 2017 - 12:08 pm
Surely equipment having temp. class T6 is better/superior to T5, T4 and so forth in that order. The...
What is meant by load driving capability of the transmitter?
By otised on 22 February, 2017 - 2:06 pm
I am assuming the data sheet is for a 4-20 ma transmitter. The 600 ohm limit is typical for these....
VSD44 Fault in Nirvana IR Compressor
Get VSD fault 39 or 40 during starting Ingersoll Rand 75KW Nirvana oil free air compressor in Operator panel.
Diaphragm Seals for Vacuum Residue Services
Looking for a diaphragm seal transmitters for an application more than 400 deg C
Barriers for Pressure Sensors, Temperature Sensors, and Solenoids.
Requirement of barriers in control panel (safe area) for instruments (sensors & solenoids) which are in gas group IIA/IIB. (application compressor)
Adjustable Sensor Mounting Hardware Recommendations
Can someone recommend a place where I can obtain mounting hardware for a photoelectric sensor and its reflector?
Looking for requirements to install and operate a European built, CE automation line.
By Bob Peterson on 9 February, 2017 - 12:23 pm
It would be wise to have the control panel itself UL listed to UL 508a. That way it would follow...
Designing a Solar Photovoltaic System
Designing a solar pv system for a town with average daily energy consumption of about 8mw
SImulation of PID Controller
How can I display (show) my command, at each sample time of my simulation time? how can I put PID in space state?
Vacuum gauge/manometer is located far from mist eliminator
Turbine Not Attaining FSNL
Turbine fails to reach FSNL. It has been a long time since starting turbine.
Advice on Frame 6B Generator Overhaul
Generator rotor removal and overhaul, stator clean
Pressure drop of boiler to superheater
GT Intake Air Mass Flow Measurement
Looking for sensor to measure the GT intake air mass flow rate
Current Consumption of an Electric Motor from Calculation without Powering It
Can i know the no load current consumption of a motor without powering it?
Moog Servo Valve Operation
How does a MOOG servo valve operate?
GE 7EA Knocking Noise While on Ratchet
Loud knocking noise heard during ratchet in/around generator compartment.
Calculating Control Valve Sizing
Control valve flow capacity Cv calculation for liquid:
By d- on 1 February, 2017 - 5:09 pm
you calculate the Cv for the maximum flow condition, then you select a valve/trim combination to...
Gas Turbine Vibration and Compressor Surge
Can foreign material inside plenum cause compressor surge?
Old automatic lathe's motor has overheating problems because it changes direction of rotation to unscrew.