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With increasing generation and network capacity added to an electrical network, fault level reduction is an ongoing task for electrical power distribution companies and the main business drivers are:
Short circuits between phase and ground can result in irreversible damage to networks and equipment, therefore a Neutral Earthing Resistor is a good preventative option to control and reduce their effects.
The reason for limiting the current by Neutral Earthing Resistor may be one or more of the following:
There are different resistance materials used to build a Neutral Earthing Resistor:
The essential parameters needed for Ohmic Resistors Pty Ltd to design a Neutral Earthing Resistor are:
Ohmic Resistors has recently moved their manufacturing premises from Sydney to Brisbane and can now share resources with Cynebar in Brisbane with the STANDARD RESISTOR™ Brand resistors.
Standard Resistors brand is used throughout Australia and Overseas for Dynamic Braking applications, Motor Resistor starters and Neutral Earthing resistors. As specialised designers and manufacturers of high power and accuracy resistors, we are there to safeguard a very wide range of power, motor and distribution systems in railways telecommunications, laboratories, and major lift / elevator companies. STANDARD RESISTOR™ Brand consists of a wide range of wire wound resistors, D coat, Vitreous coating, and Bobbin style to suit your needs as a fixed resistor or adjustable resistor.
For more information contact Ohmic Resistors
02 9820 5055 or visit www.ohmic.com.au
