Inverter plus, severe duty low voltage, tframe motors. Inverter duty general purpose industrial electric motors. But according to mg1 section 31 no inverter duty motor will have anything but a 1. Inverterduty motor designs most motor manufacturers offer generalpurpose, threephase premium efficiency motors that feature inverterfriendly insulation systems. Inverter duty motors are designed for optimized performance to run with variable frequency drive. Rpm ac inverter duty motors nema frames fl180 fl5800 family iec frames fdl112 dl280 family. Designed and manufactured with our proven quality standards it delivers top value and exceeds our customers demands for maximum efficiency and reliability. Most motor manufacturers offer generalpurpose, threephase premium efficiency motors that feature inverter friendly insulation systems. The breakdown torque of an ac motor is the maximum torque that it will develop with rated voltage applied at rated frequency while rotating.
Two codes that define iec motor enclosures there are two codes that define iec motor enclosures. This manual describes general guidelines that apply to most of the motor products shipped by baldor electric company. With the proliferation of vfds to control motor speed in many applications, using a motor designed for use with the drive will protect against premature failure. Inverterduty premium efficiency motors cortes industrial. The motors available from stock range in size from hp to 500 hp. They are designed to handle the additional heat generated when running at lower speeds. Bison gear and engineering designs and manufactures a full line of standard and custom inverter duty ac gearmotors. The difference between an inverterduty gearmotor and a standard gearmotor is in the construction. The inverter duty motors have independent cooling fan to cool down motor. Inverter duty and vector duty describe a class of ac induction motors that are specifically designed for use with frequency inverter. Abbs new ipsd inverter rated motor joins the ranks of its lowvoltage nema motor series. True inverterduty, motors need bearing protection kaman. Crossworks convert competitive catalog numbers to similar allenbradley products integrated architecture tools tools to help you plan and configure an integrated architecture system proposalworks build complete quotes and proposals other resources.
An inverterduty motor can withstand the higher voltage spikes producted by all vfds and can run at very slow speeds without overheating. For use in constant torque conveyors and machine tools or variable torque pumps and fans variable speed applications within the stated speed range of the motor. The manufacturer of these products, baldor electric company became abb motors and mechanical inc. Inverter duty motors are wound with inverter grade magnet wire which has a higher resistance to voltage spikes.
However, depending on the amount of rotor slip the motor was designed for you may. The rpm listed on the nameplate is the shaft speed for the motor. Our objective is to help you find the exact product and its related information through different search methods. Because of supplier production issues, we are not currently accepting new orders for this item at this time. Motors, as defined for inverter drive motors are suitable for variable torque applications and rated.
Any trademarks used in this manual are the property of their respective owners. Let me continue by asking if the motor is used at less than 3300 feet will the sign wave carry a 1. Features hygienic design with 316 grade stainless steel housing and smooth surface to meet 3a and ehedg guidelines. These voltage spikes can rapidly damage a motors insulation system, resulting in premature motor failure. The difference between an inverter duty gearmotor and a standard gearmotor is in the construction. General purpose motors have been around for many years. Inverter duty motors are wound with invertergrade magnet wire which has a higher resistance to voltage spikes. Although the first motor saw 460 volts rms, the last motor, feet of wire away saw 2000 volts. This is especially true for flange cface, dflange type motor mounts. An inverter duty motor can withstand the higher voltage spikes producted by all vfds and can run at very slow speeds without overheating. The varnish is built up to a higher thickness than for standard motors, adding to the increased ability to withstand voltage spikes. Whats the difference between standard and inverter. Inverter duty motor terminology a subsidiary of regalbeloit corporation 4 ap111, 701 c. At 60 hz, a 4 pole motor will rotate at approximately 1800 rpm 72004 poles.
The varnish is built up to a higher thickness than for standard motors, adding to. Ac motor, main drive controller assembly, and driveoperator interface. An inverterduty motor is a much newer concept that became necessary as motors began to be driven by variable frequency drives. Inverter duty motor on variable frequency drive an inverter duty motor can deal with the higher voltage spikes produced by vfds also can run at very slow speeds without overheating.
Without some form of mitigation, shaft currents can discharge through bearings, causing motor failure and downtime. Inverter duty motors variable speed drives tecowestinghouse. Positive displacement pumps never use inverter duty motor even to getting a ratio 5. The ac electric motor used in a vfd system is usually a threephase induction motor. Invertervector motors are designed specifically for adjustable speed applications in a standard nema frame motor. Due to the motors unique capabilities, specifying the applications range of speed can often point you in the right direction when considering an inverterduty motor vs standard motor. Crossworks convert competitive catalog numbers to similar allenbradley products integrated architecture tools tools to help you plan and configure an integrated architecture system. Some applications require the motor and control to be separated by distance. Ideally suited for igbt power inverter duty insulation system over temperature protection. Inverter plus, severe duty low voltage, tframe motors a powerful addition.
Hp motors, due to the cost of the added insulation in relation to the overall cost of the motor. An inverter duty motor can withstand the higher voltage spikes produced by all vfds amplified at longer. Inverter vector motors are designed specifically for adjustable speed applications in a standard nema frame motor. Additionally, the ac inverter vector motors can be ran across the line for bypass operation and can deliver a. This design feature shortens delivery time and can be furnished with a variety of options, including encoders and brakes. Depending on the size hp and type, a standard, totally enclosed fancooled motor is proficient for a 4. Tefc motor is good for 51, and general design extruded aluminum or cast iron, high or premium efficient. Also, operating motors for an extended time at low motor rpm. These inverter ready motors are suitable for use with variable torque loads over a wide speed range. B model 3910 bldc motor speed control, chassis, unfiltered. Baldor manufactures a line of inverterduty explosion proof motors suitable.
Compact square laminated steel frame fl210l440 fl180 is extruded aluminum for inverter duty and vector duty. While there is a wide selection of motors up to 100hp with factoryinstalled aegis shaft grounding rings, there are still many applications where rings must be installed by a contractor, motor repair shop, or by maintenance personnel. When to use an inverter duty motor vs standard motor ibt. Bearing protection needed if inverterduty motors are to. Manufacturers often offer various motor product lines that provide a variety of application benefits at various price levels.
Inverter duty motors designed specifically for variable speed control. Marathon xri series premium efficiency ac induction motor, general purpose and inverter duty, 4in1, 3hp, 3phase, 230460 vac, suitable for 208 vac at 60 hz, 3600rpm, tefc, 56hc frame, rolled steel, removable basecface mount. Knowledgebase visit our online resource for technical. No where on the motor does it say its inverter duty designed. This pdf file is a copy of the printed user manual that is packaged with our stock model 3910.
Whats the difference between standard and inverterduty. Keep the run between an inverter and motor as short as possible. When the motor cable between ac motor drive and motor is too long, the layer insulation of the motor may be damaged. A variablefrequency drive is a device used in a drive system consisting of the following three main subsystems. It can operate for wide speed range without any heating problem. Inverter duty motors tecowestinghouse motor company. I know vfd variable frequency drive operating range for positive displacement pumps. In contrast, inverter duty motors are wound with voltage spikeresistant insulation systems. These inverterready motors are suitable for use with variable torque loads over a wide speed range. The modular design of our motors consists of a foot mounted nema motor, and a c face drive end and accessory c face. Semiguarded is an open machine in which part of the ventilating openings in the machine, normally in the top half, are guarded as in the case of a guarded machine, while the other parts are left open. Vector drive motors are capable of full, rated torque at 0 rpm, continuous duty. An inverter duty motor is a much newer concept that became necessary as motors began to be driven by vfds inverters or ac drives.
Ac motor, main drive controller assembly, and driveoperator interface 210211 ac motor. Marathon black max series high performance ac induction motor, inverter duty, 112hp, 3phase, 230460 vac, 1800rpm, tenv, 145tc frame, rolled steel, rigid basecface mount. Satisfactory motor performance depends on proper drive setup. For adjustable or controlled speed applications in material handling equipment, packaging equipment or conveyors, bison has the solution to our customers requirements. Additionally, the ac invertervector motors can be ran across the line for bypass operation and can deliver a. Some of these product lines include differences in the designs of their insulation systems. The high switching frequencies and fast voltage rise times of frequency inverters can produce high voltage peaks in the windings of standard ac motors that exceed their insulation break down voltage. As the name implies, inverter duty refers to a gearmotor whose speed is controlled by an inverter, or vfd variable frequency drive. D396a marathon xri series premium efficiency ac induction motor, general purpose and inverter duty, 4in1, 3hp, 3phase, 230460 vac, suitable for 208.
Inverter duty ac motors 5200 frames vertical footless mounting water cooled increased safety atex category 23 g, exe gas group iic t3 temperature code motor. The wound motor poles are then dipped in premium varnish and baked repeatedly. Instead they prefer to use reduction drive, which decrease the. Oct 14, 2010 an inverter duty motor is a much newer concept that became necessary as motors began to be driven by variable frequency drives. Some types of singlephase motors or synchronous motors can be advantageous. Example of inverter duty motor name plate once the continuous current and peak current required for the motor have been determined, select a drive with output current ratings that meet or exceed that level. Inverter duty motors severe duty motors inverter duty motors applications. Please use a frequency inverter duty motor or add an ac output reactor to prevent damage to the motor. I know that you can use inverter duty motor with 10. To me the term inverter duty motor is a black max or blue max marathon motor or equal designed to run on variable frequency drive vfd power.
The speed of the motor is directly related to the frequency of the line voltage and the number of poles in the motor. Invertervector duty for n conforms to nema mg1 section 31. Some applications require the motor and control to. Rpm ac direct drive type ctm motor cooling tower inverter duty pm motors fl250, fl280, fl320, fl360, fl400, fl440 and fl580. Most distributors of motors and bearings sell grounding ring. Inverter duty general purpose industrial electric motors for. The best way to solve this problem is to not create it in the first place. Additional 5% discount when motor and drive are purchased on same order 5 year warranty single source reliability f510 odp rolled steel or cast iron eq7 maxe1 premium efficient variable. The information contained in this document was gathered from a variety of. Weg, the largest industrial electric motor manufacturer in the americas is pleased to offer its customers our brand new etechnical catalog.