Safety & Reliability for Electrical Power
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Ground-Faults and Ground-Fault Protection in PV (Photovoltaic) Arrays
Ground-fault is the most common fault in PV. If not properly protected, ground faults in PV arrays could result in large fault currents which may increase the risks of fire hazards.
The NEC (National Electric Code) states that grounded (Article 690.5) and ungrounded (Artilce 690.35) PV arrays shall be provided with a ground-fault protection device to reduce fire hazards.
This technical paper covers:
Definitions of ground-faults
Causes of ground-faults
NEC standards for ground-faults
Product specifid recommendations
A complete website dedicated to Arc Flash Hazard Information.
For years, Mersen has been heavily involved with arc flash testing and research, and we have a wealth of experience to share - what arc flash hazards are, how to protect workers from them, and how various regulations affect plant procedures.
Damage from electrical surges is one of the leading causes of electrical equipment failure. Most surge spikes originate from within the facility itself. Any facility with motors stopping and starting, light load panels being turned on and off frequently and other potential power disturbances is at risk for damage caused by a surge spike.
The following articles will provide insight into how to select and specify surge protection.
Ferraz Shawmut is now Mersen, bringing you global expertise in materials and solutions for extreme environments as well as in the safety and reliability of electrical power. Do more with for your plant with Mersen:
- Protect your electrical systems, people and investments
- Reduce system downtime
- Improve electrical performance and reliability
- Reduce costs & improve lead times
- Develop technical solutions that increase your competitiveness
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