Motor Hoist

Motor Hoist

The Difference Between DC and AC Driven Electric Motors

When it comes to electric motors, many people do not know the difference between AC and DC electric motors. In order to understand the difference, one must first be made aware of the fact that an electric motor is a machine that is used to convert electrical energy into mechanical energy. Our modern society depends upon these motors as we use them in our computer printers, machine tools, automobiles, vacuum cleaners, water pumping stations and much, much more.

Electrical motors fall into two broad categories: direct current and alternating current motors. Direct current or DC motors are those that work for situations where speed must be controlled. Direct current motors were the first and earliest motors in use. However, they were found not to be so good to use when power was required for long periods of time. Early on, electric utility companies discovered that using DC motors to generate electricity did not work because the power was lost as the electricity was being transmitted. There are both brush and brushless direct current motors in use today. The brush DC motor uses rings to conduct the current and which form the magnetic drive that turns the rotor. A brushless direct current motor uses a switch to produce the magnetic drive that turns the rotor. Many common household appliances make use of direct current motors.

Even though the majority of electric motor manufacturers are moving away from direct current motors, DC machines are still powering a lot of machinery in heavy industrial settings. DC motors are still being used to power surface mining excavators, mine hoists, massive metal rolling mills and many more types of industrial applications and direct current is expected to continue delivering the power in many types of production work for many years into the future.

Alternating current or AC motors work well in many different types of situations. This type of motor was first made back in 1882 when a two phase induction motor was designed. There are two basic types of alternating current motors, depending upon the type of rotor employed. One is the synchronous motor and the second is the induction motor. With the first type, the motor rotates exactly at the supply frequency and with the induction AC motor, it runs slightly slower than the supply frequency. Alternating current motors are ideal for use with equipment that is difficult to start because this type of motor is tremendously powerful. The name 'alternating power' was assigned to this type of motor because AC motors alternate in power. In other words, the amount of power expended by an alternating motor is determined by the amount of power required to run the given machine or equipment.

AC electric motors are used the world over in homes, businesses and industrial settings. An alternating current motor can be a part of a fan or a pump or it can be connected to some other form of mechanical equipment such as a conveyor belt or a mixer. Some mechanical applications require just one AC motor while others may need several motors in order to operate. The torque capabilities of an AC motor are taken into consideration to determine whether it can meet the torque requirements of the application's load when deciding on what size of motor to use.

 

About the Author

This article is written by Cin Rupp to provide information on electric motors with specific stress on AC motors and DC motors for further information have a look at flanderselectric.com

HY2000 Industrial Hydraulic Hoist by Warn $1208.99 HY2000; Industrial Hydraulic Hoist; 3000 lbs. /1364 kg; 2.2 cu in. (36cc) Motor; Clockwise;

Hard Top Hoist for Jeep $249.99 1976 to 2012 Wrangler and Jeep CJ;1000 lb. capacity;200 AMP 1/3 hp AC motor;Makes removing and reinstalling your hardtop a snap Hard Top Hoist for Jeep

Warn HY2000 Industrial Hydraulic Hoist - Warn 68032 $1208.99 HY2000;Industrial Hydraulic Hoist;3000 lb./1364 kg;2.2 cu in. (36cc) Motor;Clockwise; Warn HY2000 Industrial Hydraulic Hoist - Warn 68032

Electric Hoist with Key Switch $1223.08 The Electric Hoist is the most convenient way to raise and lower your gymnasium equipment. 1 horsepower, 110/120 volt, 60 hertz single phase instant reverse motor with thermal overload protection, programmed to stall at 13 amps to prevent overload. Double, self-locking worm gearing plus passive unidirectional brake. No dangerous cables, belts or pulleys. A large diameter grooved drum assures long cable life and proper coiling. A constant pressure type tension roller assures correct cable tracking even in slack conditions. Easy to set limit switches that will not lose critical settings due to vibration or environmental conditions. Supplied with single key switch and stainless steel cover. For ceiling and swing up wall mounted basketball backstops. An electrical contractor will need to supply all conduit, wiring, junction boxes and other components not listed above. 5 year limited warranty.

Smittybilt Hardtop Hoist for Jeep $249.99 1976-12 Wrangler and CJ;1000 lb capacity;200 AMP 1/3 HP AC motor;Makes removing and reinstalling your hardtop a snap

Electric Hoist with Wireless Remote Receiver $1532.86 The Electric Hoist is the most convenient way to raise and lower your gymnasium equipment. 1 horsepower, 110/120 volt, 60 hertz single phase instant reverse motor with thermal overload protection, programmed to stall at 13 amps to prevent overload. Double, self-locking worm gearing plus passive unidirectional brake. No dangerous cables, belts or pulleys. A large diameter grooved drum assures long cable life and proper coiling. A constant pressure type tension roller assures correct cable tracking even in slack conditions. Easy to set limit switches that will not lose critical settings due to vibration or environmental conditions. Supplied with single key switch and stainless steel cover. For ceiling and swing up wall mounted basketball backstops. An electrical contractor will need to supply all conduit, wiring, junction boxes and other components not listed above. 5 year limited warranty.

Electric Hoist with Key Switch, 220V $1875.43 The Electric Hoist is the most convenient way to raise and lower your gymnasium equipment1 horsepower, 110/120 volt, 60 hertz single phase instant reverse motor with thermal overload protection, programmed to stall at 13 amps to prevent overloadDouble, self-locking worm gearing plus passive uni-directional brakeNo dangerous cables, belts or pulleysA large diameter grooved drum assures long cable life and proper coilingA constant pressure type tension roller assures correct cable tracking even in slack conditionsEasy to set limit switches that will not lose critical settings due to vibration or environmental conditionsSupplied with single key switch and stainless steel cover For ceiling and swing up wall mounted basketball backstopsElectrical contractor shall supply all conduit, wiring, junction boxes and other components not listed above.5 Year Limited Warranty

Propeller Hoist $24.99 Propeller Hoist - Photographic Print

DC 1200 CF Industrial DC Hoist by Warn $876.99 DC 1200 CF Industrial DC Hoist;Rated Line Pull: = 1200 lb.;Motor: = 12V;Horse Power: = 1.3;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 216.1;Size: = 14.75 in. x 6.3 in. x 6.4 in.;Weight: = 32 lb.;Wire Rope = None-max. rec. 3/16;Fairlead

Warn DC 2000 MF Industrial DC Hoist - Warn 33475 $1018.61 DC 2000 MF Industrial DC Hoist;Rated Line Pull: = 2000 lbs.;Motor: = 12V;Horse Power: = 2.1;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 17.83 in. x 6.3 in. x 6.4 in.;Weight: = 47 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 2000 MF Industrial DC Hoist - Warn 33475

Warn DC 2000 MF Industrial DC Hoist - Warn 33476 $946.46 DC 2000 MF Industrial DC Hoist;Rated Line Pull: = 2000 lbs.;Motor: = 24V;Horse Power: = 2.1;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 17.83 in. x 6.3 in. x 6.4 in.;Weight: = 47 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 2000 MF Industrial DC Hoist - Warn 33476

Warn DC 1600 LF Industrial DC Hoist - Warn 33501 $1106.26 DC 1600 LF Industrial DC Hoist;Rated Line Pull: = 1600 lbs.;Motor: = 12V;Horse Power: = 1.8;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 17.4 in. x 6.3 in. x 8.45 in.;Weight: = 56 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 1600 LF Industrial DC Hoist - Warn 33501

Warn DC 1600 LF Industrial DC Hoist - Warn 33502 $1072.94 DC 1600 LF Industrial DC Hoist;Rated Line Pull: = 1600 lbs.;Motor: = 24V;Horse Power: = 1.8;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 17.4 in. x 6.3 in. x 8.45 in.;Weight: = 56 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 1600 LF Industrial DC Hoist - Warn 33502

Warn DC 3000 LF Industrial DC Hoist - Warn 36945 $1680.32 DC 3000 LF Industrial DC Hoist;Rated Line Pull: = 3000 lbs.;Motor: = 12V;Horse Power: = 2.5;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 199.1;Size: = 21.77 x 9.92 in. x 11.79 in.;Weight: = 83 lbs.;Wire Rope = None - max. rec. 5/16;Fairlead = None;Type of Winch: = Electric Warn DC 3000 LF Industrial DC Hoist - Warn 36945

Warn DC 3000 LF Industrial DC Hoist - Warn 36947 $1602.23 DC 3000 LF Industrial DC Hoist;Rated Line Pull: = 3000 lbs.;Motor: = 24V;Horse Power: = 2.5;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 199.1;Size: = 21.77 x 9.92 in. x 11.79 in.;Weight: = 83 lbs.;Wire Rope = None - max. rec. 5/16;Fairlead = None;Type of Winch: = Electric Warn DC 3000 LF Industrial DC Hoist - Warn 36947

Warn DC 1200 CF Industrial DC Hoist - Warn 60035 $876.99 DC 1200 CF Industrial DC Hoist;Rated Line Pull: = 1200 lbs.;Motor: = 12V;Horse Power: = 1.3;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 216.1;Size: = 14.75 in. x 6.3 in. x 6.4 in.;Weight: = 32 lbs.;Wire Rope = None - max. rec. 3/16;Fairlead = None;Type of Winch: = Electric Warn DC 1200 CF Industrial DC Hoist - Warn 60035

Warn DC 1200 CF Industrial DC Hoist - Warn 60411 $748.1 DC 1200 CF Industrial DC Hoist;Rated Line Pull: = 1200 lbs.;Motor: = 24V;Horse Power: = 1.3;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 216.1;Size: = 14.75 in. x 6.3 in. x 6.4 in.;Weight: = 32 lbs.;Wire Rope = None - max. rec. 3/16;Fairlead = None;Type of Winch: = Electric Warn DC 1200 CF Industrial DC Hoist - Warn 60411

Warn DC 2000 MF Industrial DC Hoist - Warn 63650 $1007.99 DC 2000 MF Industrial DC Hoist;Rated Line Pull: = 2000 lbs.;Motor: = 12V;Horse Power: = 1.8;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 16.6 in. x 6.3 in. x 6.4 in.;Weight: = 43 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 2000 MF Industrial DC Hoist - Warn 63650

Warn DC 350 Industrial DC Hoist - Warn 63675 $324.46 DC 350 Industrial DC Hoist;Rated Line Pull: = 770 lbs.;Motor: = 24V;Horse Power: = 0.9;Remote Control: = Ordered Seperatley;Gear Ratio: = 136.1;Size: = 12.88 in. x 4.58 in. x 4.8 in.;Weight: = 25 lbs.;Wire Rope = None - max. rec. 5/32;Fairlead = None;Type of Winch: = Electric Warn DC 350 Industrial DC Hoist - Warn 63675

Warn DC 2000 MF Industrial DC Hoist - Warn 63750 $988.8 DC 2000 MF Industrial DC Hoist;Rated Line Pull: = 2000 lbs.;Motor: = 24V;Horse Power: = 1.8;Remote Control: = Ind Remote Control 12 ft. lead;Gear Ratio: = 261.1;Size: = 16.6 in. x 6.3 in. x 6.4 in.;Weight: = 43 lbs.;Wire Rope = None - max. rec. 1/4;Fairlead = None;Type of Winch: = Electric Warn DC 2000 MF Industrial DC Hoist - Warn 63750

Warn DC 500 Industrial DC Hoist - Warn 63677 $544.78 DC 500 Industrial DC Hoist - 24V Motor;Maximum Rated Load: 1100 lbs.;Maximum Wire Rope Recommended: 3/16 inch 4200 lbs minimum breaking strength;Drum Barrel Diameter: 3.5 inch;Drum Flange Diameter: 6.0 inch;Distance Between Flanges: 2.7 inch;Contactor: PN 63926 (Sold Separately);Remote Control: PN 63680 (Sold Separately);Motor: 12 or 24 Volt DC Permanent Magnet 1.1 hp;Gear Ratio: 261:1;Approximate Weight: 25 lbs Warn DC 500 Industrial DC Hoist - Warn 63677

Warn DC 1600 LF Industrial DC Hoist - Warn 33503 $917.77 DC 1600 LF Industrial DC Hoist - 12 Volt;Maximum Rated Load: 1600 lbs;Maximum Wire Rope Recommended: 1/4 7000 lbs minimum breaking strength;Drum Barrel Diameter: 4.25 inch;Drum Flange Diameter: 8.25 inch;Distance Between Flanges: 3.79 inch;Remote Control: PN 21221 (Sold Separately);Gear Ratio: 261:1;Motor: 12 volt DC permanent magnet 1.8 hp;Approximate Weight: 55 lbs;Standards Compliance: ANSI B30.5 Warn DC 1600 LF Industrial DC Hoist - Warn 33503

Warn DC 2000 MF Industrial DC Hoist - Warn 63899 $707.41 DC 2000 MF Industrial DC Hoist - 12 Volt;Maximum Rated Load: 2000 lbs;Maximum Wire Rope Recommended: 1/4 inch 7000 lbs minimum breaking strength;Drum Barrel Diameter: 4.25 inch;Drum Flange Diameter: 6.25 inch;Distance Between Flanges: 4.5 inch;Remote Control: PN 34462 (Sold Separately);Gear Ratio: 261:1;Motor: 12 or 24 Volt DC Permanent Magnet, 1.8hp;Approximate Shipping Weight: 40 lbs.;Standards Compliance: ANSI B30.5 Warn DC 2000 MF Industrial DC Hoist - Warn 63899

Warn DC 1200 CF Industrial DC Hoist - Warn 64254 $679.99 DC 1200 CF Industrial DC Hoist -12 Volt; ;Maximum Rated Load: 1200 lbs ;Maximum Wire Rope Recommended: 3/16 inch 4200 lbs minimum breaking strength;Drum Barrel Diameter: 3.54 inch ;Drum Flange Diameter: 6.0 inch;Distance Between Flanges: 2.7 Inch ;Contactor: PN 34216 (Sold Separately);Remote Control: PN 21221 (Sold Separately);Approximate Shipping Weight: 25 lbs ;Gear Ratio: 216:1;Motor: 12 Volt DC Permanent Magnet, 1.3 hp;Standards Compliance: ANSI B30.5 Warn DC 1200 CF Industrial DC Hoist - Warn 64254

View of a Hoist $49.99 Leonardo da Vinci View of a Hoist - Giclee Print

Cm - 3672 - 1/8-2Ton 75Fpm Motor Driven Hoist 460-3-60 F $3017.31 [175-3672] Truck Delivery 112 LB

CM Columbus McKinnon 1752071 Shopstar Elec Chain Hoist 250Lb 230V 3Ph 16Fpm $1741.4 Small compact design for easy installation and maintenance. Standard protector overload device . 10 pocket oblique lay liftwheel provides longer chain wear . NEMA 12 industrial rated control station . Gear train lifetime lubricated with nonoxidizing grease . Thermally protected hoist duty motor . DC plus regenerative dual braking system . Hardened forged steel latch style lower hook rotates 360deg; . Totally enclosed nonventilated hoist frame protects motor from environmental contamination . Precision bearings used throughout hoist . True vertical lift . Hook suspension (Not Included)

CM Columbus McKinnon 1752091 Shopstar Elec Chain Hoist 500Lb 230V 3Ph 12Fpm $2096.79 Small compact design for easy installation and maintenance. Standard protector overload device . 10 pocket oblique lay liftwheel provides longer chain wear . NEMA 12 industrial rated control station . Gear train lifetime lubricated with nonoxidizing grease . Thermally protected hoist duty motor . DC plus regenerative dual braking system . Hardened forged steel latch style lower hook rotates 360deg; . Totally enclosed nonventilated hoist frame protects motor from environmental contamination . Precision bearings used throughout hoist . True vertical lift . Hook suspension (Not Included)

Bulding - Using Hoist $39.99 Bulding - Using Hoist - Giclee Print

motor a $4 motor a

Motor $6 Motor

Motor A $5 Motor A

MOTOR A $3 MOTOR A