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Many things cause faults, which are the cause of blackouts. A fault occurs when the dielectric isolation of a high voltage power line to ground, or to other phases is compromised, allowing current to flow between phases or to ground.
In rainy conditions, this most likely occurs due to either high winds blowing conductors into each other (phase to phase faults, this would be known as galloping), or lightning, which causes molecules in air to line up, which reduces the dielectric strength of air and usually results in phase to ground faults.
On lower voltage linesit is likely trees may make contact with a line (due to wind), which could cause faults requiring fuses to operate. Fuses are one time use devices, thus these sort of outages often require more time.
What else can I help you with?
What causes electrical explosions?
The causes of the electrical explosions is if the voltage of the electricity come down below 110 volts or become higher than 120 volts, it will explodes so you have to use an transformer into it.
What causes a male electrical plug to weld it self to the female electrical plug plug in?
A current higher than what the plug is rated for will cause that type of condition.
What causes the electrical polarity of the armature to reverse?
poles of an armature can be reversed by the arrangement of split-rings
What are the harmful effects of short-circuit fault on the power system?
A short circuit causes large amounts of power to flow. If left uninterrupted for long enough, this could cause system instability, and eventual collapse of the power grid (wide area blackouts).
When you pull out the plug connected to an electrical appliance you often observe a spark to which property of the appliance is this related?
I think it is due to the resistance to the electrical appliance, the resistance offered by the electrical appliance works as a load in the circuit and when load is removed it causes sparking.
What causes blackouts?
Lack of oxygen to the brain.
Can you join the army if you've ever had blackouts?
The blackouts themselves may not disqualify you, but the cause of the blackouts potentially could. It depends on what causes/caused them, exactly.
What causes alcohol related blackouts?
Drinking to much
The name of a disease that causes memory loss and blackouts?
Alcoholism.
Can you get disability insurance if you randomly lose consciousness?
Possibly, depending on what causes the blackouts.
What is the traumatic event that causes Clay's blackouts on One Tree Hill?
The death of his wife.
What usually causes alcohol-related blackouts?
drinking too much alcohol too quickly Thats the answer
What usually causes achohol blackouts?
approximenly how much does achole related problems effect the united states
What causes seconds of blackouts and chest pain?
Okay who asked the question has the intellegany of a 6 month old. the answer is heart attack.
What causes blackouts in men?
Blackouts in men can be caused by a variety of factors, including excessive alcohol consumption leading to alcohol-induced blackout. Other potential causes may include dehydration, low blood sugar levels, medication side effects, or underlying medical conditions such as epilepsy or cardiac arrhythmias. It is important for individuals experiencing blackouts to seek medical evaluation to determine the underlying cause and receive appropriate treatment.
What causes human blackouts?
Human Blackouts are often caused by either Lack of Food, or Drug and Alcohol use. The Early Signs of a Blackout include; Dizziness, Tunnel-vision, Blurriness of Vision and Complete Vision Loss (which eventually occurs after the "causer" is Discontinued.
What has the author Harry E Stafford written?
Harry E. Stafford has written: 'Troubles of electrical equipment; their symptoms, causes and remedy' -- subject(s): Repairing, Electric engineering, Electric motors
