Our protection relay gives you flexible control to maximize your motors output capabilities, and provides current, voltage and motor protection functions. When faced with testing a medium to high voltage motor utilize the secondary circuit to access the current and voltage information. Medium voltage motor controllers rockwell automation. Synchronous motor are used mainly when an application requires the motor speed to be consistent without load fluctuations, and. The terms medium voltage and high voltage have been used interchangeably by many people to describe fuses operating above 600 volts. Bulletin 857 motorfeeder protection, medium voltage offers solutions for todays motor and feeder protection requirements in one package. Totally enclosed fan cooled three phase asnychronous electric motor, can be equipped with ventilation. Motors are lubricated while running and the bearing system on all high voltage motors has. Excellent electrical performance higher efficiency higher power factor superior starting characteristics unique modular construction easy motor enclosure conversion. Most plant maintenance engineers are not comfortable with medium voltage ac drives. Some people consider anything above v as high voltage. D 2e 2f a b typical hp based on 1800 rpm 445ts 2 odpwp1 1450 11 18 16. A speciallydesigned frame and stator design in the n series cools so effectively, that higher power ratings are easily achieved by smaller frame sizes. For technical and economic reasons, the service voltage of medium voltage distribution networks rarely exceeds 36 kv.
Monitors voltage, current, power and temperature 22 motor protection functions starter control, metering, and data logging waveform capture for. Technically speaking, medium voltage fuses are those intended for the voltage range from 2,400 to 38,000 vac. Medium voltage ac drives are very complex products, much more complex than a medium voltage ac motor starter. Ges nhp series machines provide the highest power density in its class, plus an innovative upgrade to the wellestablished n3 motor line in a compact frame doesnt compromise on efficiency and reliability. Selection of the protection system and relays depends on and is correlated with the plant characteristics, type of industrial process and its service continuity requirements, with the status of the neutral, characteristics of the machines, levels and duration of the fault currents, etc. Specification section 16260 for medium voltage adjustable frequency drives rated 300 0 hp db5i guide form specification page 3 of 16 rev 23may12 3. Medium voltage switchgear and motor control centers mtw date. Nxr, modular induction motors type nmi and slipring. When it comes to controlling and protecting mediumvoltage motors, the ampgarde family is the premier highperformance choice. Important user information read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product.
Compact but mighty ges nhp series machines provide the highest power density. This catalog covers abbs nseries high voltage general purpose motors. Medium voltage induction motor protection and diagnostics. Contactor description the contactor is suitable for all types of ac loads, for example. Medium voltage products technical guide protection. Medium voltage motors motors drives toshiba international. Motorpact medium voltage motor controller application guide class 8198 data bulletin 8198db0101r02 0920 retain for future use. The term medium voltage is commonly used for distribution systems with voltages above 1 kv and generally applied up to and including 52 kv1. Medium voltage motors intelligence service annual omdia. Standard nominal threephase system voltages per ansi c84. Medium voltage terminations, 5 kv46 kv over 30 years ago, 3m pioneered cold shrink technology. Medium voltage motor frame sizes frame number of poles available enclosures est.
Abb supplies medium voltage variable speed drives for a wide range of applications in the cement, mining and minerals. Company market shares by world and region shed light on the competitive landscape. Through constant innovation, we have refined cold shrink products making them better than ever. Limitamp medium voltage motor control ge industrial. Low voltage motor iec 6003430 standards for efficiency classes. Each motor is given a routine test as required by bs4999, as59 or nema mg 1 to determine that it is free from electrical or mechanical defects. They are used to adapt the motor speed to the actual need, thus optimizing energy. Abb provides a full range of medium voltage solutions for the utility, industrial and commercial customers with safe, reliable and smart technologies for the distribution of electricity. With its compact, modular, highpower, specialized and anema series, simotics hv is the perfect fit for every large drive application in the medium voltage range. V800v cusomized too on low voltage380v frame material. The result is an extensive system of interlocks and other safety features. Section 1introduction square d motorpact medium voltage mv motor controllers provide control for 23007200 v induction squirrel cage motors, continuing our tradition of offering superior reliability combined with numerous operational.
In the united states, the national electrical code nec and the national electrical manufacturers association nema have guidelines and. High voltage general purpose motors technical catalog. The 21l series threephase highvoltage motors are at the leading edge of motor technology. High voltage general purpose motors technical catalog abb group. Medium voltage service medium voltage service maintenance by abb.
When combined with other electrical distribution and control products from schneider electric, our medium voltage motor controller provides a systemwide solution you can trust. Added to those demands is the need for smaller and more flexible medium voltage products that are more efficient and that enable a reduction in building and expansion costs. Search wegw22mediumvoltagetefcmotorsusaw22mvtefcbrochureenglish. V800v cusomized too on low voltage 380v frame material. Medium voltage motors weg electric motors pdf catalogs. Pdf methods for the control of large mediumvoltage motors. These modifications are managed and supervised by our inhouse project management team. A recent industrial customers survey in 2016 shows that some customers consider switching from a lv to mv solution as low as 100hp. York mvvsd medium voltage variable speed drives series drives are used on large, medium voltage york chillers, in ranges up to 10,000 horsepower.
For medium voltage applications, the power system should be resistancegrounded, and the device 50g should be set to operate for a primary groundfault current in the range of 10 a to 30 a. Since then, field use and laboratory analysis have repeatedly proven its merits and reliability. Medium voltage ac drives are almost always installed, started up, repaired, and maintained by the manufacturers field service engineer. Mediumhigh voltage motor testing note 0303 application note description emax test equipment has a limit of 600 volts, but much of the testing performed is on motors that are operating on 2300 volts or greater. Tics motor manufacturing plant has the ability to customize each medium voltage motor to a customers specific needs, such as frame size, ip rating, rotor construction, bearing type, lifting and jacking holes. The basics of fault protection for medium voltage motors eep. Consult weg electric motorss entire medium voltage motors catalogue on nauticexpo. High voltage fuses are for circuits carrying voltages greater than 38,000 vac. T e c o mo t or p r c t s and i c s 2 large and large and high voltage motor range from teco teco s position as a world leader in the design and manufactuing of large induction motors is secured by an unfailing commitment. The drive with permanent magnets is activated by means of an electronic multivoltage feeder. From an international standpoint, these classifications and ranges change depending on where you live. Abb improves switchgear efficiency and operational safety with abb ability condition monitoring for switchgear swicom, reducing maintenance costs by as much as 30 percent. Additional special tests beyond the routine test are available on request.
Traditional power system design practice suggests that motor crossover from low voltage to medium voltage is in the 200600hp range. Pwm is a popular method of control for converting dc voltage to ac voltage. This adds the company to an already illustrious stable of international electric motor manufacturing companies including schorch, morley. Hoyers technical manager provides a quick introduction to medium and high voltage motors, and when they are the right choice for the job.
Describe the basic power components of a mv class e2 motor. The extensive global offering includes distribution automation products, switching, limiting, measuring and sensing devices, switchgear, modular substation. Motor operated systems for electric control racking inout with closed door, including also the motor operated solution. There can be different ideas about what qualifies as a low, medium or high voltage motor.
Dp, wp1, wp2, caca teaac, cacw tewac selection of thrust bearings angular contact ball bearings spherical. Medium voltage drives sinamics electric drives simply. The high voltage compact iec motors featuring asynchronous technology cover a power range from 150 kw to 7. Abb introduces unisec with airplus a compact and completely sf6free mediumvoltage switchgear. A suitable time delay should be added when the installation has surge protection on the motors. Interlocks interlocking on ampgard starters includes. High motor starting currents can cause voltage fluctuations on the electrical. Abb unveils an asset health solution optimizing switchgear efficiency. The emphasis of this guide is on low and medium voltage distribution systems. Medium voltage induction motor ge power conversion. Understand and explain the differences between mv class e2 controllers mcc and mv mc switchgear 2. Motor starter ampgard medium voltage personnel safety features one of the most important considerations in designing the cutlerhammer ampgard starter was personnel safety.
High, medium, and low voltage are the terms we hear the most when talking about voltage classifications. Medium voltage motor circuits rrated medium voltage fuses locked rotor current 600a thermal overload relay jck 9r contactor m motor f. Motorpact medium voltage motor controllers feature a compact onehigh design with drawout contactors and a completely isolated low voltage lv control compartment. Guide to medium and high voltage motors when your application requires high output, it can be beneficial to increase the voltage in order to keep a low current. Monitors voltage, current, power and temperature 22 motor protection functions starter control, metering, and data logging waveform capture for better fault analysis. Quality is emphasised at each step as a motor proceeds through each stage of design, assembly and testing. Medium voltage technical guide electrical engineering portal. At the end of this presentation you will be able to. The examples and diagrams in this manual are included solely for illustrative. Medium and high voltage motors nidec industrial solutions. Medium voltage switchgear and motor control centers mtw. Chapter 1 product description scope this user manual applies to the allenbradley, bulletin 1502 series d, 400 a electrically held vacuum contactors, designed for applications in the 2400 to 7200 volt range. They are generally fixed mounted within the structures and the line and load terminations are made at the rear of the device. Low voltage motor iec 6003430 standards for efficiency classes appendix e203 iec motors dimensional reference.
Pulse width modulation is a method of controlling power devices to convert voltage levels. Motor protection system one of the most advanced and customizable dynamic thermal models to protect any motor in any application. Medium voltage products technical guide protection criteria. It is common to see vfds used in low voltage chillers and compressors, but due to decreasing costs of electronics, medium voltage vfds are becoming more common because of the potential energy and. A speciallydesigned frame and stator design in the n series cools so effectively, that higher power ratings are easily achieved by. Guide to medium and high voltage motors a quick introduction. By combining the power of invention with our expertise and desire for a better world. Motor operated systems for electric control racking inout with closed door, including also the.
Medium voltage drives sinamics electric drives simply my. Medium voltage motor controllers publication 1500sr020ienp specification guide. Open drip proof induction motor dpip22 forced feed lubricated sleeve bearings four pole, 6. Various enclosure types and constructions are available and there is a broad selection of.
The connection of an electrical installation to a mv utility distribution network. Pdf starting and control methods available for mediumvoltage mv induction motors 2. Abb high voltage induction motors tecnica industriale srl. Medium voltage service medium voltage service maintenance. High voltage motors siemens electric motors simotics.
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