Im john crawford, an engineer and environmental compliance specialist with anixter. Office of electricity delivery and energy reliability. Low and medium voltage transformers testing and certification. Our powerflex 7000 medium voltage ac drives are aircooled or liquidcooled drives available in a broad power range of 20034000 hp and supply voltages of 24006600v ac. Specification section 16260 for medium voltage adjustable frequency drives rated 300 0 hp db5i guide form specification page 3 of 16 rev 23may12 3. This model is an accurate of the real model, useful to create busbars to connect to any medium voltage vcb, sf6 b, or acb or another ct. Where precise accuracy data are required, they can be obtained from ratiocorrectionfactor curves and phaseanglecorrection curves supplied by the manufacturer. Definition and control of complete technical documentation of medium voltage components and subassemblies, including specifications, bills of material, drawings, 3dmodels, and schematics work with global and crossfunctional teams to leverage best practice for electrical component testing and validation procedures. Abb library is a web tool for searching for documents related to abb products and services. Medium voltage technical guide thorne and derrick uk.
The rated voltage is always higher than the operating voltage and, is associated with an insulation level. Medium voltage distribution catalogue 2015 genieevo range. It is the network voltage where the equipment is fitted. Fact file english pdf leaflet megadrivelci control terminal english pdf leaflet acs 6000 fast recovery option service note english pdf. Medium voltage distribution merlin gerin fuses range from 3. Inductors have resistive losses proportional to currentsquared i2r losses. For 60 hz tests, the overvoltage may be related to the rated machine voltage, and tests in the range of 125 to150% of the linetoline voltage are normal.
Abb drives in power generation 11 applications and references to date, abb has installed medium voltage drives with a total rated power in excess of 5,000 mw for power generation applications. Medium voltage indoor current transformers are cast in epoxy resin and designed for insulation up to 40,5kv. Powerflex 7000 extended horsepower drive systems are effective solutions for hot backup and redundancy, lci retrofits, and horsepower upgrades. Abb is a leading global supplier of medium voltage drives in the range of 250 kw to more than 100 mw. Overvoltage tests are typically conducted for 60 s. Pdf file from abb of the overall drawing dimensions exported to a. Rated voltage u r kv this is the maximum r ms root mean square value of the voltage that the equipment can withstand under normal operating conditions. Abbmedium voltage transformer type tpu current from range. As an illustration of the energy in an arc, consider a 3in 7.
Abbmedium voltage transformer type tpu current from. A cuttingedge molded case circuitbreaker range delivering a brand new product experience, with extreme performance and protection features up to 1600a, maximizing ease of use, integration and connectivity. Medium voltage products technical guide protection. Medium voltage field of application distribution genieevo schneider electric has equipped medium voltage networks with switchgear and protection, monitoring and control solutions for over 40 years. Refer to iec 605022 annex b for continuous current ratings of 1c and 3c cables. Ii tests on power and control cables iii general information datasheets pvc insulated low voltage cables 70 c 7 yyfl, unarmoured 2, 3, 4 and 5cores 8 multicores 12 yyryfl, armoured 2, 3, 4 and 5cores 14 multicores 18 xlpeinsulated low voltage cables 90 c 23 2xyfl, unarmoured, flame retardant 2, 3, 4 and 5cores 24 multicores 28. Allenbradley medium voltage motor controllerscustomize total system control for your specific application with the wide range of allenbradley medium voltage starters. The vacon 3000 is the only mediumvoltage drive mv drive available, which accommodates flexible arrangements, straightforward system integration and easy maintenance. Like other industrial equipment, many transformers can be evaluated as open type or enclosed. Contact applications engineering for design options.
Discover our range of drytype, oil and power transformers from medium voltage up to 170kv. Mediumvoltage cables are commonly used in substations equipment, for distribution of power in industrial settings and to supply electricity to commercial or residential buildings. New medium voltage products hanover, april, 2015 abb presents innovative medium voltage products and solutions for customers and partners at hannover messe 2015. Indoorenclosure, rrated medium voltage, currentlimiting fuses for motor circuit protection. Federal and state legislation has been introduced to reduce the output of carbon emissions into the environment. Standard stocked items include instrumentation cables, control cables to 37c, and power cables to 3c 750 kcmil. Pdf en 1224kv saferingsafeplus gas insulated ring main unit and compact switchgear. Introduction to medium voltage fuse link technology the main standard covering medium voltage mv fuse links is iec 602821, 2009. New medium voltage products hanover, april, 2015 abb presents innovative medium voltage products and solutions for. Dc voltage range vdc ac voltage range vrms 14 to 385 11 to 300 v v transient. Voltage classification lv, mv and ehv electrotechnik. Medium voltage cables are commonly used in substations equipment, for distribution of power in industrial settings and to supply electricity to commercial or residential buildings. Our long experience with all types of distribution transformers translates into reliable products for any application, while our new trihal iot connected features allow you to take a step forward in efficiency.
Electric power distribution is the final stage in the delivery of electric power. Primary distribution lines carry this medium voltage. Powerflex 7000 medium voltage ac drives allenbradley. Specification guide for rmvac direct replacement ac medium. For a more detailed explanation of how a variable speed drive works see part 2. In its simplest form, a mediumvoltage ac drive consists of a frequency converter, which is used to vary the speed of the most commonly used industrial motor, the squirrel cage induction motor. Medium voltage transformers schneider electric global. Arc flash analysis approaches for mediumvoltage distribution. Operation in excess of 10% overvoltage may cause increased errors and excessive heating. Splice kit, motor lead pigtail type, feeder cable range.
Product brochure medium voltage ac drive acs 6000, 3 36. The arc voltage is somewhat chaotic and varies as the arc length changes. Medium voltage drive rectifier dc link inverter ac supply ac motor mv drive voltage range dc link voltage range power range 1kv 3. Standard nominal threephase system voltages per ansi c84. Distribution substations connect to the transmission system and lower the transmission voltage to medium voltage ranging between 2 kv and 35 kv with the use of transformers. For technical and economic reasons, the service voltage of medium voltage distribution networks rarely exceeds 36 kv. This range of modular mediumvoltage mv drives empowers systems integrators and oems, delivering a whole new approach to attaining the ultimate in. Currentlimiting mv fuse links, split into three internationally recognised types. The acs 6000 medium voltage drive is designed to operate safely without fuses, resulting in less spare parts and better overall reliability. The connection of an electrical installation to a mv utility distribution network. Power products for partners wouldnt just a single source be the best and fastest solution. Splice kit, cold shrink, 15 kv, works with various types of shielded cables, conductor range.
Pwm is a popular method of control for converting dc voltage to ac voltage. Abbs main product family for mv protection and control products a large installed base and the widest range of products for the protection, control, measurement and supervision of power. The emphasis of this guide is on low and medium voltage distribution systems. Pdf design of a multilayer pcb bus for medium voltage dc. This allows fast startup after safety interruptions. Product brochure medium voltage ac drive acs 6000, 3 36 mw. Genieevo range medium voltage distribution metalclad, vacuum indoor switchgear installation,operation and maintenance instructions version 5. 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. These general purpose, standalone drives control speed, torque, direction, starting, and stopping of standard asynchronous or synchronous ac motors. 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 genieevo benefits from the accumulated experience of an equipment base of over 100,000 functional units, 200,000 mv circuit. Medium voltage products technical guide protection criteria.
Encoderless encoders are known to cause failures due to their exposed position on the motor. Rrated medium voltage fuses for motor circuit protection. In order to address the subsequent need for clean power, there has been an accelerating trend toward. Pulse width modulation is a method of controlling power devices to convert voltage levels. One okopact compact stranded copper conductor90c rating us measurements. Abb drives in power generation medium voltage drives for. The megger insulation tester is essentially a high range resistance meter ohmmeter with a builtin directcurrent generator. Features and benefits currentlimiting rrated fuses will safely interrupt all currents between their minimum and maximum interrupting ratings and will melt in a range of 15 to 35 seconds at a value of 100 times the r number per ansi c37. In some situations, the term ultra high voltage is used to denote voltages above 800 kv. They are used indoors in power stations, and when used outdoor they are better underground or in cable ducts.
Mv indoor current transformer documents and downloads. This meter is of special construction with both current and voltage coils, enabling true ohms to be read directly, independent of the actual voltage applied. Development, production and delivery of the full range of medium voltage products 152kv sales through direct sales people, system integrators including abb, and channel partners, such as oems and distributors. In addition, the iec defines a voltage band known as the extra low voltage with a ac voltage less than 70 v. Abb introduces a new version of its highspeed bidirectional direct current dc circuit breaker, dcbreak, for rolling stock applications covering 1500 v systems as well as protective metallic enclosures for the entire dcbreak family. The voltage across an arc ranges between 25 and 40 vin 10 to 16 vcm over the current range of 100 a to 80 ka 1, 2. The term medium voltage is commonly used for distribution systems with voltages above 1 kv and generally applied up to and including 52 kv1. The complete guide to electrical insulation testing. Easergy micom p746 documents and downloads schneider.
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