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What else can I help you with?
What are disadvantages of harmonics?
harmonics increase heating of motors ,transformers and capacitors .Power system protecting relays may operate falsly, meters give inaccurate readings,interference with telephone lines may also occur. Moreover resonance due to harmonics also causes problems
Why capacitor is use in ac machines?
Capacitors are used in ac machines to assist the field during starting.
Applications of ac machines?
All house appliances
The basis of general theory and generalised equation of ac machines?
The general theory of AC machines is based on the principles of electromagnetism, which link magnetic fields and electric currents. The generalized equation for AC machines typically includes components for the electromagnetic field, stator and rotor windings, and mechanical motion. These equations are used to analyze the performance and behavior of various types of AC machines like induction motors and synchronous generators.
What kind of electricity used to power appliances and machines?
AC
Calculation of peak value for ac signal?
The peak value of a sinusoidal ac signal is RMS voltage divided by 0.707, or two times the square root of two. Note: AC signals are rarely truly sinusoidal, because power supplies rarely pull a consistent load for the full duty cycle. (They pulse.) This introduces harmonics in the signal, which cause error in the above calculation but, unless the harmonics are extreme, the calculation is close.
What are different types of electric machines?
Based on the electric supply electric machines are classified in to two types namely AC and DC machines. These are further classified in to different ones.
What is the Purpose of an ac welder?
It produces alternating current AC. It is cheaper to build than a DC or an AC - DC welder. Most electrodes can be used with DC. Some can be used for both. Very few are AC only. DC produces a smoother arc, is easier to strike an arc and most machines in industry are DC. Surprisingly a lot of AC machines are on farms as they were cheaper to buy.
Are Malibu low voltage transformers AC or DC?
All transformers are a.c. machines.
How capacitor works with ac supply?
Ti controls the capacity of power our machines use
What machines uses ac?
AC (alternating current) is commonly used in various machines and appliances, including household items like refrigerators, air conditioners, and washing machines. It powers industrial machinery as well, such as motors and conveyor systems, due to its efficiency in transmitting power over long distances. Additionally, AC is used in lighting systems, including fluorescent and LED fixtures. Overall, any device that requires consistent power supply typically employs AC for its operation.
What are the three types of machines used in manual metal arc welding?
I am not sure your question is clear enough but here I go... Stick Arc Welding (AC or DC), MIG (Metal Inert Gas) and TIG (Tunsten Inter Gas). All three of these are the basic metal welding machines.
