Data #1. HVAC Matching a motor by amp rating. Electric Motor Name Plate There are many types of electric motors, some smaller than a human hair others large enough to power a locomotive. Double Break Type (DBR) Used between 11kV to 420kV. Once started the auxiliary winding is optional. In that case, you can say you need a motor with a service factor of 1.15. The nameplate of a motor provides important information necessary for proper ordering, replacement and application. Motor overload protection is necessary to protect the motor and to help ensure the motor performs as expected. The rated output of the asynchronous motor . Every motor has a metal nameplate or data plate listing the manufacturer, motor type, and electrical requirements for the motor. A motor's nameplate provides important information relevant to its selection and application. View More. The nameplate for a two-pole 15 kW motor may have the following important data:. Transformer Name Plate Details Explained..! Alternating current motors are designed to operate at standard voltages and frequencies. FR - FRAME TYPE. 1Typical motor nameplate (courtesy of Siemens Corp.). Have trouble finding the motor you need? To most it seems quite simple; if it is a 1.0 you can run a motor to 100% load, if it is 1.15, then it can be loaded to 115% of its rated load. Alternatively, if 15 Amps on a . Frame. The standardization agency National Electrical Manufacturers . Standard 3 phase motors often have these locked rotor codes: less than 1 hp: Locked Rotor Code L, 9.0 - 9.99 kVA The service factor is expressed as a decimal. AC motors: Every time, the special interplay between motor and gear unit gives you the exact drive response tailored to your application and requirements. The voltage rating of both the primary and secondary circuits. #1: MANUFACTURER'S TYPE. The NEMA full-load efficiency basically lists as a percentage the amount of electrical energy supplied to the electric motor that is converted into kinetic energy. The importance of motor data is that any mistake while connecting or installing the motor could be destructive. Example nameplate. Letters are assigned the defined categories. Can someone please explain what these 3 things on a motor nameplate mean? hp = 0.746 x kW; conversely, kW =1.34 x hp. Fig. The details about the motor is given in the motor name plate. These are the main reasons: Increased efficiency leading to power and cost savings. Below figure is a electric motor name plate that have a dual voltage.If we can see,it have two connection motor terminal for two voltage for power supply. the motor is able to supply a shaft output of at least 15 kW if connected to the mains supply as indicated. Please consult your manual for more information. . NEMA requires a manufacturer's type, but there is no industry standard for what this is. . The motor nameplate contains the entire characteristic parameters and values required for the machine identification and the operation of the motor. I just meant to explain that derating happens based on something that someone knows about the application. Continuous duty motors . This number reflects the same mounting and shaft information between different manufacturers in order to be consistent. Not all motor nameplates will have all of the NEMA-required details. The number is likely the serial number. Disposal and Environmental Information - WEG Motor ScanDate: 09/22/2020Code: 14641356/01Language: EnglishSize: 532 KB. Enclosure is shown as IP or ENCL on the nameplate. If the supply voltage is below that indicated on the motor nameplate, the measured amperage value is correspondingly higher than expected under rated conditions and The table value ensures that no matter what motor is installed, the conductor and branch-circuit, short-circuit, and ground-fault protective devices are sized to . Make: CG The maximum speed of a motor may also be listed on the nameplate. The induction motor's nameplate provides you with the power factor for the motor at full-load. This cycle includes a sequence of starting, constant load, and electric braking. . To comply with ATEX/IECEx regulations, all equipment and protective systems that are used in hazardous areas must be marked legibly and indelibly with a specific set of letters/numbers. Nameplate Data for Different Equipment Types Motors: The National Electric Code requires that motor nameplates include the following information in addition to the manufacturers name and address: Rated voltage(s) Rated full-load amperage at each voltage level (FLA) Frequency - typically 60 or 50hz Phase - Single or three phase The auxiliary winding of a permanent split capacitor motor has a capacitor in series with it during starting and running. The motor may be operated at any voltage within 10 percent of the design voltage. It is a commonly held view in industry that an AC high efficiency motor and inverter is better in so many ways that an older DC motor and drive. This sample motor is designed for . Motor specs or (motor specifications) are the electrical, mechanical and physical data of the motor. A motor nameplate is a panel which is affixed to electric motors. Lowering the nameplate rating is a way of ensuring that at some future date when the . The motor has three phases and is for a mains supply with a frequency of 50 Hz.. Data #2. Reduced maintenance cost - no brushes, carbon, commutators or tachos to worry about. Frame size (FRAME) - Motor dimension standardization is indicated by the frame size. Electric Motor Ingress Protection (IP) Ratings Explained The Ingress Protection (IP) rating of a motor shows how well it protects against both water and solid foreign objects such as dust. Ed Cowern. What is the number of poles of the motor. In this video Electrical Engineering Planet will cover how to read Medium Voltage induction motor nameplate, Here we will hit every single factor for example. 14th Jul 2020. You can load the motor up to 147 Amps or the . T0 is I suspect the working or maximum temperature and the Isol.F is the high voltage insulation rating. These motors can carry a short-time rating from 5 minutes to 60 minutes. On the nameplate it is mentioned as "DBR". CVT is the combination of two series capacitance C1 & C2, as shown on the nameplate. 1. The purpose of this Fact Sheet is to explain the meaning and purpose of nameplate information and show how to use nameplate and measured motor speed to calculate motor loading. DELTA : 220 ~ 240 VAC - 3 PHASE. The U.S. motor industry has worked on a standardized basis for more than three-quarters of a century. If the nameplate rating is 300 hp, With a KVA code = G, When the motor first starts (rotor speed is at zero), its apparent power will vary from 5.6 *300 = 1680 kVA to 6.29 * 300 = 1887 kVA.. The frame size data on the nameplate is an important piece of information. This data is the main part of the motor protection form over current or over load. Transformer nameplate must specify the following parameters: Volt-Ampere (VA) or kilovolt-amperes (kVA) rating. Each Motors are manufactured with its specified details. Motor Nameplate (Explained For Beginners) 4 hours ago The motor nameplate is a metallic plate supported on the motor body and has important electrical and mechanical data about the motor like voltage, current and connection method. The number of poles of the motor is the number of magnetic poles in each phase of the motor, and the number of poles corresponds to the rotational speed. The information presented in this section may or may not be present on electric motor nameplates, depending on the motor's intended use. To help in the proper application of electric motors, the National Electrical Manufacturers Association (NEMA) and other bodies like the IEC (International Electrotechnical commission) define some basic design, performance and mounting parameters to aid in standardizing electric . Thus, a motor with the capability of 3 HP may be driving a load that only requires 2 HP. Focusing on 3-phase AC induction motors, Santino explains - Parts of a motor and how they relate to one another - How does a motor work? The motor's full-load current, the nameplate FLA, is used to calculate separate motor overload protection, 430.6(A)(2): Separate motor overload protection shall be based on the motor nameplate current rating. The full-load current values for NEMA motor horsepower ratings found in Tables 430.248, 430.249, and 430.250 are typically higher than the nameplate value found on the actual motor. NEMA MG 1 (1987), Section MG 1-1.16, defines "design," which defines the torque and current characteristics of the motor. Specifically, what causes a motor to spin once electricity is applied - Options for starting a motor and what is inrush current - Motor nameplate explained in detail Thank you for watching one of our many . Thus, root mean square (RMS) current measurements should always be corrected for voltage. The types of information that are shown include the number of phases, rated operating voltage, service duty, efficiency code, frame size, IP rating, insulation class and more. View More. understanding computers: today and tomorrow 15th edition pdf; used semi dump trailers for sale; aquatic shower installation; canon rebel t5 battery charger The value listed next to "FR" will refer to the type of Frame, or specifically the Flange Type. If you see, generally, four main types of disconnectors are used. The yoke of a dc motor forms an integral part of the stator or the static part of the motor. Nameplate Tutorial. If you do not see a service factor rating on the motor nameplate the service factor is typically 1.00. 15. It is common for manufacturers to nameplate a wide variety of voltages on one motor nameplate. if the motor's nameplate Full Load Amps (FLA) is 45 and the auditor measures 50, then excessive Amp-pull or load is highly likely. It is made up of cast iron or steel. The nameplate shown in Figure 1 indicates this motor has an efficiency of 79%. If the shaft rotates to the right, your motor is clockwise lead end, or CWLE. Horizontal Centre Break (HCB) Used between 11kV to 420kV. Standard values of equivalent capacitance are 4400pf, 6600pf & 8800pf. First let's look at what the National Electrical Manufacturers Association (NEMA) has to say about . DC Motor Nameplate Details: DC Motor is nothing but a direct current motor which is designed to operate in direct current. This is shown as "CONT" on the nameplate. Electric Motor Nameplate Information. The impedance rating of the transformer (normally restricted to 25 kVA or larger) The required clearances for transformers with ventilated openings. Isol F means class F insulation on the windings , which is normal industrial duty insulation. RPM= 1480. Time Rating or duty (DUTY). Single-phase induction motors are not self-starting without an auxiliary stator winding driven by an out of phase current of near 90. In general it is accepted that small motors requires higher starting kVA than larger motors. Power factor is an expression of the ratio of active power (W) to apparent power (VA) expressed as a percentage. is to attach the motor nameplate to an electric motor and when is the nameplate affixed to the motor? The motor manufacturer may include additional information, such as the wiring information shown . Its main function is to form a protective covering over the inner sophisticated parts of the motor and provide support to the armature.It is outer cover of dc motor also called as frame. STAR : 380 ~ 415 VAC - 3 PHASE. Understanding Induction Motor Nameplate Information. Here's the kicker, since lead end and shaft end perspectives are opposite of each other, a CCWLE motor is also CWSE and a motor that's CCWSE is also CWLE. Together, these letters/numbers specifiy the exact criteria that a product meets in relation to those ATEX/IECEx . Head (in feet) at nameplate flow RPM Maximum fluid temperature Centrifugal pump "I" or "X" Cast Iron components replaced by 316 SS, stack and sleeve of 304 SS "N" if all parts in contact with water are 316 SS "T" if all parts in contact with water are Titanium "E" if a Grundfos MGE or MLE VFD motor is attached No. Summary: Single-phase induction motors. of stages CR(I,N) 1S, 1, 3, 5 . Every motor has its own specs which should be clear on the motor nameplate. The electric motor nameplate contains a variety of information that can be used to calculate other items. . The remaining power is a loss that is converted mostly into heat. Since NEMA frame size refers to mounting interfaces only, it has no direct bearing on the motor body diameter. It is not that simple. Motor Data Plate Information Explained. Specifically, what causes a motor to spin once electricity is applied - Options for starting a motor and what is inrush current - Motor nameplate explained in detail Thank you for watching one of our many . The load required by fans, pumps, and compressors usually depends on the fan or pump's design, the flow rate it is handling (cfm, gpm), and the pressures that are developed. The starting kVA required by a motor starting at full voltage is determined from the nameplate on the motor or from the manufacturer. . Call 800-800-2261 to talk to a sales engineer.Learn how to read the motor nameplate with our VP of engineering Craig. Values mentioned in bracket is the allowed tolerance in the equivalent capacitance. Motor "service factor" is probably the most misunderstood value on a motor nameplate. The nameplate contains information about the construction characteristics and performance of the motor. . This is an indication of the maximum mechanical speed a motor should be run in field weakening. Altivar 320 Altivar 61 Altivar 610 Altivar 630 Altivar 71 Zelio Logic Sepam MCB Proteksi Magnetic Dialog Manusia - Mesin Terminal Block Legrand Produk Katalog Product & Price List Structured Cabling - Linkeo & LCS. Figure 1 is a drawing of a typical induction motor nameplate. ATEX & IECEx Markings Explained. From this information,i hope it can make a clear view how this motor works,terminal connection and value of voltage.So the . 16.4.3 Where more than one incoming supply circuit is to be provided, the nameplate shall state the information in 16.4.1 for each circuit. nameplate, and is moreover indelibly stamped on the frame or on increased thickness cooling rib where frame lifting points are located. Usually labeled as HP or kW, this is the measure of the motors ability to deliver the torque required for the load at a rated speed. 16.4.4 Where only a single motor or motor controller is used, the motor nameplate shall be permitted to serve as the electrical equipment nameplate where it is plainly visible. NEMA specifies the information that must be included on the motor's nameplate. For the purpose of this page we will be discussing induction motors which are typically found on most workshop machinery such as air compressors, drill presses, table saws, band saws, jointers, shapers and lathes. That's simple enough, right? In order to fully understand the details presented on motor nameplates, we'll examine each of these items more closely and explain its importance. If a maximum Additionally, there is no time during the operation for rest. Usually found on the motor nameplate , this information is crucial when choosing an electric motor as it ensures that the enclosure can protect the motor . This designation specifies the length of time that the motor can safely carry its nameplate rating. Voltage The voltage listed on the data plate is the design voltage the motor was made for. Electric Motor Nameplate Details Explained Electrical 6 hours ago Figure 1 is a drawing of a typical induction motor nameplate.The electric motor nameplate contains a variety of information that can be used to calculate Depending on your application, you may need a motor to exceed its rated horsepower. Motor frame, enclosure ,bearing and grease information on nameplate. It says about the full load capacity of the motor. A common example is a motor wound for 230 and 460 V (230/460 V) but operable on 208 V. This 208-230/460 V motor will have degraded performance at 208 V. Another common misconception is to request a motor rated at network voltage; for example, at 480 V. Finally, if you're looking through the catalog and notice . Keeping the language common among manufacturers is critical to making motors interchangeable. View More. The nameplate is fixed on the motor frame. A= 147 motor full load Current. KVA Code didn't affect the performance of motors; however, using the KVA code, you are able to determine what type of reduced voltage starter is required . Inverter duty motors can accommodate speed ranges up to 1000:1 or more and are capable of providing full-rated torque at zero speed, as well as operating over its base speed. Now just run the motor on the Dc field weakening control drive of your choice, up to 1400rpm with a solid 2.00amps dc on the field winding. Fig. Motor specs are set on the motor nameplate. #shorts #education #electrical #machine motor motor namemotor nameplate explained motor natakmotor nameplate details how to read a motor nameplate induction . The Flange is on the "Wet End" of the motor, or the end that attaches to the pump. Motors are not always delivering full nameplate HP to the load they are driving. It is the speed of the motor in Revolution Per Minutes. Wrong! Most styles have a circular face, called a "C" Flange, and one very popular frame type, the 56Y/48Y, is known as the "Square" Flange. We'll go over everything on the nameplate in Figure 1. Does Motor KVA Code Affect Performance Of Motor? Motor Yoke. 1 is the nameplate from a 30-hp AC motor. Nameplate for an SEW EURODRIVE helical gearmotor If you search for a gearmotor for a specific nominal voltage online, you will soon find that there is a very broad selection available. [] Most motors are Design B . DBR stands for Double Break Type Disconnector. Standard motors are rated for continuous duty (24/7) at their rated load and maximum ambient temperature. If the shaft rotates to the left, your motor is CCWLE. We will use the motor nameplate of a three-phase motor shown below in our explanation. Pantograph (PG) Used between 245kV to 420kV. DC Motor Efficiency Explained. 1.3.2 NAMEPLATES. Focusing on 3-phase AC induction motors, Santino explains - Parts of a motor and how they relate to one another - How does a motor work? Specialized motors can be designed for "short-time" requirements where intermittent duty is all that's needed. The rotational speed of 2 poles is about 3000 rpm / min, the 4 poles is 1500 rpm / min, and the 6 poles is 750rpm / min. Horsepower Output (kW). The base speed listed on a motor's nameplate, however, is an indication of how fast the motor will turn with rated armature voltage and rated load (amps) at rated flux (). 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