Dyno one is the oem for tr, sr and li series eddy current dynamometers. The ecseries eddy current engine dynamometers are designed for testing small displacement diesel engines. To start viewing messages, select the forum that you want to visit from the selection below. Technical specification eddycurrent dynamometer w series. Powermag has been the market leader in manufacturing and developing eddy current variable speed drives and eddy current dynamometers. Ecb series engine dynamometers allow for ease of testing as they offer the advantage of dissipating heat via aircooled fin technology. Leaders in eddy current drives eddy current dynamometers. Dyno one manufactures new eddy current dynamometers from the ground up. Eddy current dynamometers eddy current dynamometer eddy current dynamometer total system being tested with saj dyno eddy current dynamometer eddy current dynamometer test beds cng engine test bed. The eddy current brake can be used to carry out the following tests. Large, round 9 pin connector, small gray cable, 9 pin serial connector on back of black box. I have an idea of how the inputs, outputs and overall process go, but am not sure how to best implement the necessary features in labview.
New castings, new shaft, new rotor, new coil, new bases, new pedestals. Objective to perform engine performance test of diesel engines as per automotive engine test according to is. Rated from 5 to 2,500 hp 4 to 1,864 kw wet and dry gap configurations. Dynomecs eddy current brake dynamometer is also used for same purpose as inertia dynamometer but eddy current dyno is better for performance tuning, because you can make load for engine, inertia type is more for measuring output of an engine. It is the perfect tool for engine performance testing. The sp5 is a fully digital pid based closedloop speed controller. Diy reliable 1200hp eddy current dyno you will have to register or login see top or bottom of page before you can post a message or view images. Disadvantages include requiring a second set of test cell services electrical power and. The rotation of rotor produces density difference, then eddycurrent goes to stator. We offer controllers for most any type of absorber brake dyno, electric eddy current dynos, dynos with hydraulic pumps for a brake, or water brake dynos. Powermag eddy current adjustable dynamometer absorb power, torque and speed characteristics with a unique hystersics braking system which provides frictionless torque loading 0% to 100% constantvariable torque load independent of shaft speed.
At avl our dynamometers and load systems represent the culmination of seven decades of automotive knowhow and excellence. An eddycurrent or waterbrake dynamometer, with electronic control combined with a variable frequency drive and ac induction motor, is a commonly used configuration of this type. I have access to a ni usb6211 daq, and a pc with labview 8. Benefit from our deep product knowledge and applications expertise. It consists of a stator on which are fitted some electromagnets and a rotor disc made of copper or steel and coupled to the output shaft of the engine.
Model, powerhp, torquelbft, speedrpm, accessories, pdf icon. Eddy current technique is an important electromagnetic non. Takes variable 05vdc and constant 110vac inputs and delivers variable 090vdc to eddy current brake on the dyno to control the load. They can be made fully portable built into a trailer as power the supply only needs to run the pc and electronics, not an eddy current brake and large cooling fans. Pdf design and fabrication of an eddy current brake. Our eddy current dynos offer an easy to use solution at a low annual operating cost. The existing manual eddy current brake controller has its own vr sensor that gives it an rpm feed. Engine test on eddy current dynamometer, engine performance. Eddy current dyno type w eddy current dyno type ws eddy current dyno type w3s complete system w consisting of. Function contains 110vac to 90vdc variable converter. Klam eddy current brake for dynamometer sportdevices. The froude ag250 eddy current dynamometer is rated at 250 kw 335 bhp and has a maximum operating speed of 6000 rpm.
Threephase current chopping, eddy current brake all. Our eddy current magnetic braking technology duration. All parts are manufactured and poured to dyno one specifications with the latest technology and engineering. Magtrols new wb 23 eddycurrent brake dynamometer is designed for very highspeed motor and engine testing applications. Eddy current dyno control 2 holding rpm steady duration. Our eddy current dynos are simple, cost effective, torque measuring. Typically aircooled, there are watercooled versions of the dynamometer used primarily for very high horsepower or hightorque applications. I have a long time been thinking of having by own power dyno, and a device based on an eddycurrent brake sounded the best alternative. When the rotor rotates, eddy currents are produced in the stator due to magnetic flux. Our products fulfill your needs for testing industrial, automotive and motorcycle engines.
Specifications of dynamometers include maximum horsepower ranging from 268 hp to 450 hp, maximum continuous speed ranging from 100 mph to 125 mph, 2,000 lbs. Eddy current dynamometers eddy current dynamometer self cooled simple eddy current adjustable dynamometer, is a totally new concept in dynamic load system for accurate testing applications of all type of electric motors, engines and other rotating machinerys. Dyno controller test running a dyno test with the controller. Eddy current engine dynos from taylor dyno provide a low maintenance alternative to. Eddy current dynamometer consists of brake, measuring force and speed measuring device, etc. The heart of any automotive development and testing infrastructure is the testbed. Dyno10 for maximum 10 hp 7 kw motors at 2600 rpm or 0. This tuning site has been visited by performance minded people. Eddy current dynamo meter used to measure engine torque and power. I tune engines and make efi conversions, therefore i need a steady state dyno controller for tuning. The electromagnetic force applies in opposite of the rotational direction by the product of this eddycurrent and vector of magnetic flux and it becomes brake. The eddy current brakes, also called test benches, are equipments which allow the check of the mechanical behaviour of different types of engine, allowing the user to obtain the requested results operating them on the acquired variables. Eddy current dynamometers dynamometer services group.
Itworks on the principle of eddy currentgeneration that oppose the change in magnetic flux. Eddy current method is capable of detecting defects in electrically conductive materials by monitoring the change of eddy current resulting from electromagnetic induction 17. The top countries of suppliers are india, china, and india, from which the percentage of eddy current dynamometer supply is. The principle is easily adapted to both engine and chassis dyno designs. Call for a quote, or help, in repairing your existing dyno s hardware, or replacing a frenelsa, klam, kloft. Eddy current dynamometer manufacturers, suppliers and. Available as the ec125 or ec250, the ecseries features inline eddy current absorption units in a durable, compact frame. A wide range of eddy current dynamometers, the optimum. Several sizes available, from 15 hp to 1500 hp cold click here for specs. As a manufacturer of eddycurrent dyno absorbers, we can often repair otherwise obsolete units. Eddy current dynamometers are electromagnetic load devices. Rotronics, specialists in engine test beds, offers a range of industrial eddy current dynamometers. Pdf we report on a new contactless scanning probe technique to probe thin metallic films. A precise, lowmaintenance, rapid response and repeatable alternative to water brake technology, taylors eddy current engine dynos provide lowinertia, air or watercooled operation for testing engines up to 966 hp 720 kw in a range of markets.
Timehonored and wellrespected manufacturers of eddy current dynamometers, were acquired by dyne systems in 2002. A wide range of eddy current dynamometers, the optimum solution for your performance and endurance tests. With power ranges from 10 kw to 140,000 kw they are. You can also choose from electronic eddy current dynamometer there are 243 suppliers who sells eddy current dynamometer on, mainly located in asia. Both configurations are available in standard, all left or right side absorber arrangements. Specification ag250 eddy current dynamometer why choose a. Watercoolant cooled versiondepends on power rating. An eddy current brake dynamometer was designed, fabricated, and tested such that it was capable of measuring.
There are many different dynos currently in use, including friction, electric motor, fan, water, hydraulic, eddy current, and inertia dynos. Count on dyne systems to help you meet your current and future eddy current dyno testing needs through our proactive and collaborative process. The primary elements of powermag adjustable dynamometer are an eddy current clutch, a tachometer, and a separate solid state controller. The ecseries eddy current dynamometers are available in both twoabsorber, cf22ec2, and four absorber, cf22ec4, configurations. Dynomec inertia dynamometer measures the speed of an object, spun by the wheels of a vehicle, to come. Our range of ec dynamometers is based on our knowhow in mechanical engineering, measurement and design of transmission shafts. The rugged design of the power absorbing system ensures a long operating life, even in the most demanding production and endurance testing environments. The sp5 dyno controller provides all the necessary hardware and software controliing an engine test bed dynamometer, or rolling road dynamometers. This project was aimed at aiding the development and improvements of the current electric wheelchairs by decreasing weight and size, and increasing efficiency by employing lithiumion batteries and wheel hub motors.
Eddy current dynamometers dynos providing precise control and low maintenance. The engine being tested spins a disk in the dynamometer. Explanation of how controller works when controlling to rpm. Eddy current chassis dynamometers ec dynos taylor dyno. Eddy current dynamometers ecd cater to a wide range of requirements of prime movers from 10 to 100 bhp with rpm varying from 1500 to 5000 rpm. Diy reliable 1200hp eddy current dyno engineers edge. Rao nondestructive evaluation division metallurgy and materials group indira gandhi center for atomic research kalpakkam 603 102, tn, india email. For eddy current, hydraulic, and water brake style absorber dynos.
The brake regulates the load of the prime mover, and at the same time converts the absorbed prime mover power into heat, which is taken away by the water. Eddy currents aregenerated when a conductor moves in changing magnetic flux. Contact our engineering team today to discuss your project requirements. An eddy current dynamometer uses an electric core moving across a magnetic field to produce the required resistance needed to test an. Electrical current passes through coils surrounding the disk, and induce a magnetic resistance to the motion of the disk. The working principle of eddy current dynamometer is shown in the figure below. Semantic scholar extracted view of design and fabrication of an eddy current brake dynamometer for efficiency determination of electric wheelchair motors. Call for a quote, or help, in repairing your existing dynos hardware, or replacing a frenelsa, klam, kloft. Finding the right dyno choosing the right dyno for your application is important.
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