Motors are powered by electrical energy and convert this energy into mechanical energy. Some components are included commutator, end plates, cooling fan, stator, slip rings or carbon brushes, rotor or armature, and supply box etc. It includes electromagnets and permanent magnets.
Motors are classified into two categories: integral horsepower (IHP) motors and fractional horsepower (FHP) motors. IHP motors are segmented into AC motors and DC motors. AC motors use alternating current: it is sub-segmented into high tension motors and low tension motors, which is used in washers, fans, vacuum cleaners, dryers, air conditioners, and blowers etc. Some characteristics of AC motors are low cost, simple design easily found replacements and reliability. Whereas DC motors use direct-unidirectional current: its use is restricted to low to medium power machine tools, a few low-speed machine tools, and rolling mills. Some characteristics of DC motors are easy to control speed, easy to understand design and easy to control torque etc.
According to study, “Motors Market in India 2011” some of the major companies that are currently working in the motors market in India are Bharat Heavy Electricals Ltd., GE Power India Ltd., WEG Industries Pvt. Ltd., Bharat Bijlee Ltd., Siemens Ltd., Regal Beloit Corporation, Elgi Electric & Industries Ltd., Kirloskar Electric Company Ltd., ABB India Ltd. These key players are competing with each other to meet the growing demand amongst industries. These vendors offer product innovation, technological advancement.
The rating of IHP motors is 1 HP or more. IHP motors are built into a frame. It is defined by small motors (0.75-200 KW), medium motors (201-315 KW) and large motors (>315 KW). Moreover, FH is used in low voltage heating, cooling, automotive, and office machinery tools. Some factors influencing efficiency includes type, load, speed, capacity, temperature, age, and rewinding etc.
Some types of motor load are variable torque loads, constant torque loads and constant power loads. In variable torque loads, torque varies with the square of operation speed (rotary kilns). In constant torque loads, output power varies with constant torque (fans and centrifugal pumps).
On the basis of application, the motor market is segmented into HVAC equipment, motor vehicles, pumps, aerospace, compressors, food & beverage industry, fans, transportation, residential, agriculture, industrial machinery, home & commercial appliances and other transportation equipment. On the basis of the end user, the market is segmented into the cement sector, oil & gas sector, power sector, pharmaceutical sector, metals & mining sector and textile sectors.
The motor demand is largely driven by increasing opportunities in replacement segment, favorable demographics, growing attention on infrastructure, increasing urban development projects, growing in important sectors and government regulations are increasing significantly which led to the growth of the market. The market is further influenced by the growing raw material prices. In addition, some of the key challenges include competition from unorganized players and increase in raw material prices associated with the manufacturing of motors etc.
Moreover, the demand for energy-efficient motors for the oil & gas production sites apart from the residential and commercial sector has seen a considerable increase during the previous few years and is estimated to rise further during the forecast period. Furthermore, industries, such as fertilizers, automotive, chemical, and petrochemical are expected to witness steady growth for motors demand in India over the forecast period.
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