|
|
| | | | Tutorials on Automation Products |
AERIAL BUNCHED CABLES
|
| :
|
INTRODUCTION Most of the faults in overhead power supply systems occur due to failure in transmission lines, whether these are HT or LT, resulting in immense loss and inconvenience to consumers. The main weakness of overhead lines … Continue Reading ---> |
| :
|
4/19/2011 7:47 AM |
Basics of Motors and Drives
|
| :
|
Selecting the right motor and drive combination can save energy and improve performance. The venerable electric motor that was the muscle of the industrial revolution is becoming the smart muscle of the computer-controlled plant and commercial facility … Continue Reading ---> |
| :
|
4/19/2011 7:22 AM |
Current Transformer and Potential Transformer
|
| :
|
Current Transformers These transformers are used with low range ammeters to measure currents in high voltage alternating current circuits. In addition to insulating the instrument from the high voltage line, they step-down the current in a known … Continue Reading ---> |
| :
|
4/19/2011 7:41 AM |
EXTRA HIGH VOLTAGE XLPE CABLE (66Kv to 132 kV) LEAD ALLOY SHEATH
|
| :
|
Properties of Sheath: Metallic sheath are used for the following use for Extra High Voltage Cable 66 kV to 400 kV Cable construction with metallic sheath (lead or aluminium) will act as impermeable moisture barrier and also … Continue Reading ---> |
| :
|
4/19/2011 7:50 AM |
High Voltage Testing Transformers and Industrial Frequency Transformer
|
| :
|
High voltage Testing Transformers At present H.V. testing technique requires four kinds of H.V. supply – (a) Industrial frequency alternating voltages up to 1000 – 2000 KV., or less : It is most common, being applied to …Continue Reading ---> |
| :
|
4/19/2011 7:34 AM |
THREE-PHASE ALTERNATING CURRENT MOTORS
|
| :
|
Most of the power-generating systems produce AC. For this reason, a majority of the motors used operate on AC. There are other advantages to using AC. In general, AC motors are less expensive and easier to maintain …Continue Reading ---> |
| :
|
4/19/2011 7:29 AM |
TRANSFORMERS FOR OTHER TESTS and Auto Transformer
|
| :
|
TRANSFORMERS FOR OTHER TESTS In the three further H.V. supplies for testing listed the transformer is an essential feature, but in these cases its output is rectified, usually by means of H.V. thermionic diodes. The production of …Continue Reading ---> |
| :
|
4/19/2011 7:36 AM |
Voltage Transformers
|
| :
|
A Transformer does not generate electrical power, it transfers electrical power. A transformer is a voltage changer. Most transformers are designed to either step voltage up or to step it down, although some are used only to … Continue Reading ---> |
| :
|
4/19/2011 7:45 AM |
What are Motion Controllers ?
|
| :
|
Motion controllers are components that range from ON/OFF devices with simple linear controllers to complex, user programmable modules that act as controllers within complex integrated multi-axis motion systems. Applications include all types of industrial processing, packaging, and … Continue Reading ---> |
| :
|
4/19/2011 7:27 AM |
What is Electric Motor Controls ?
|
| :
|
A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor. A motor controller might include a manual or automatic means for starting and …Continue Reading ---> |
| :
|
4/19/2011 7:32 AM |
|
| | | |
|
|