Complete Training System for Electrical Machines and 3-Phase Industrial Drives

Complete training system for Electrical Machines and 3-Phase Industrial Drives Complete training system for study of Electrical Machines and 3-Phase Industrial Drives with minimally the following characteristics: Objectives Protective measures and electrical safety Set-up of power generating systems according to circuit diagrams Putting electrical drives into operation Recording of load characteristics with various operating parameters Achieving skills in measuring electrical machines Automatic speed control for an asynchronous (induction) machine Topics D.C. motors & generators D.c. Shunt motor D.c. Series motor D.c. Compound motor D.c. Separately excited motor D.c. Shunt generator D.c. Compound generator D.c. Separately excited generator Torque / speed Efficiency characteristics a.c. motors Single phase induction motor - capacitor start / induction run Starting requirements Effect of start capacitor Effect of capacitor output on output characteristics Torque / speed Efficiency characteristics Three phase a.c. motors and drives Three phase squirrel cage induction motor Star connected motor voltages & currents Delta connected motor voltages & currents Torque / speed Efficiency characteristics Fundamentals of three-phase machines Equivalent circuit for an asynchronous (induction) motor Torque, efficiency and optimum magnetisation Circuit wiring and connection of components Setting up a drive and testing its operation Parameter setting for a frequency converter Learning the key menus Measurement of converter output voltage Effect of start voltage Effect of start compensation (lxR compensation) Response of the machine in the absence of starting voltage and compensation Effect of slip compensation Recording of V/f characteristic for a machine operating without a load, with and without compensation of the frequency converter The experiment is complete, with all necessary hardware, software, experimental and device manuals and accessories to perform the experiments. Each system is composed minimally by the following components: 1x Electrical Machines Test System Equipment set for recording the characteristics of electrical machines of the 1 kW class in all four quadrants, consisting of: Electrical dynamometer Control unit Electrical dynamometer A pendulum ball bearing squirrel cage motor with integrated incremental encoder for speed detection and a visible torque sensor. This machine can drive all machines of 1 kW class or decelerate down to standstill. The power is supplied by the control unit via a fixed connection cable with 7-pin circular connectors; the signal is transmitted via a fixed connection cable with D-Sub 25 connector. The three-phase pendulum machine is built on an aluminium base with slides that can be placed on the supplied with aluminium bed with locking system. For calibration of the torque measurement, a balance weight is fixed to the pendulum machine. With a lever and a 2 kg weight, the measuring system can be adjusted. Control unit Microcontroller equipped device with integrated frequency converter for the power supply and control of the cradle-type three-phase asynchronous machine. Display of speed and torque of the machine under test. Manual and automatic recording of the characteristics in all four quadrants of the speed/torque plane. Connection to the PC via USB port. Technical Data: Automatic digital speed control: ±5000 rpm Automatic digital torque control: ±30.0 Nm Automatic recording of run-up and load characteristics Load simulations: flywheel, freely adjustable fan drive (M~ kn2) freely adjustable winding drive (M~ k/n), lift drive (constant torque) Characteristics recorded in accordance with user specifications (Mi=ni) External control: ±10 V Seven-segment display, 25 mm high Speed: 4 digits Torque: 3 digits Parallel operation is possible with the help of the software Temperature monitoring: Machine under test Cradle type three-phase asynchronous machine Control unit Shaft guard monitoring: system shut-down with protection for unintended system start Four quadrant display with LEDs for operating mode of the machine under test Adjustable torque limiting (overload protection) and stop speed (for automatic characteristic recording) RMS measurement: three inputs for voltage measurement (Vmax=600 V AC/DC), one input for current measuring (Imax=10 A AC/DC), all suitable for frequency converter USB connection for transmission of measured values and remote control via software CBM 10 Highest security standards: leakage current <5 mA Power supply: 230 V, 47 ... 62 Hz, 2,3 kW Scope of delivery: Mains lead with earth-contact plug Demo version of software CBM 10 USB cable, 3 m 25-pole connecting cable Supply cable for cradle-type machine Mass 2 kg Cylindrical bar Machine ground base Coupling and schaft end guard transparent Includes software with the following characteristics: Software for recording and evaluating measurement data acquired via Three phase high power measurement device, with comprehensive integrated help functionality and many operable experiment examples. Including measurement server for the distribution of live measurements, table and diagram as well as measurement files on tablets or smartphones. School license for use on any number of PCs in a school or institute Supports up to 8 measurement devices, via USB-ports Supports Joule and Wattmeter and Universal Measuring Instrument Supports sensor boxes Additionally supports numerous devices via the serial interface (e.g. VideoCamera IRPD, balance) Connection to the integrated measurement server in the local network via QR code "Plug and play" enabled for easy use: the software automatically detects the connected devices and sensor boxes and displays these graphically, inputs and outputs are activated simply by pointing and clicking and typical experiment parameters are automatically loaded (depending on the connected sensor box) Measurement data can be displayed in the form of analog/digital instruments, tables and/or diagrams (also simultaneously, with user-definable axis assignment) Measured values can be recorded manually (at keystroke) or automatically (choice of time interval, measured time, lead time, trigger or additional measurement condition) Powerful evaluation functions including various fits (straight line, parabola, hyperbola, exponential function, free fitting), integrals, diagram labeling, calculation of user-definable formulas, differentiation, integration, Fourier transforms Experiment files in XML-data format Convenient exporting of measurement data and diagrams via the clipboard "Logbook" function lets you briefly document other experiment information in the experiment file Complete with more than 150 experiment examples from physics, chemistry and biology with detailed descriptions - Graphical display, sensor box and connector allocation when the experiment file is loaded Free updates and demo version available through our internet homepage The software support vector diagrams (real time) and plot angles The software CD contains two Windows programs in german and english, one for the recording of characteristics of electrical machines and one for the control of the modular frequency converter. 1x 3-Phase multi Channel Measuring Device with Software The Three phase high power measurement device is a combination of isolated and differential oscilloscope, multimeter, wattmeter, energy analyzer and recorder. It was designed in its concept for demonstration and laboratory experiments. The Three phase high power measurement device has been optimized for the following applications: Energy grids: Voltage and frequency stability Load behavior of networks Effect of harmonics Electrical machines: Inrush current of transformers and machines Ratio of transformers Efficiency of machines Power Electronics: Rectifier DC / DC converter DC / AC converter frequency converter filter Three phase high power measurement device in detail: Simultaneous measurement of U, I, ju, j, f and P in 4 channels Instantaneous values U, I and P Averaged values U, I and P RMS values (AC + DC) U and I RMS values (AC) U and I Fundamental wave filters Delta connection adjustment Universal connection options Via usb-type c connection with pc or laptop Via the wlan option with the school network or setting up your own access point Automatic or manual range selection Electrical power calculation S, P, QC and QL Electrical work WS, W and WQ Resistance calculation R, Z, XC, XL, G, Y BC and BL positive sequence component, negative sequence component and zero sequence component in 3-phase systems Derivative with respect to time, integral over time, FFT analysis, mean value, histogram, and model Drivers allow you to evaluate the data with LabVIEW and MATLAB Possibility of manual operation directly on the device by means of a rotary selector with cursor keys Direct reading in 9 cm, backlit display Display of up to 24 measured values in one display Display of all values for each channel Display of all values in tabular form Display of measured values in diagram Display of a vector diagram wireless connection to the tablet app via WLAN for experimenting with tablet and smartphone (iOS, Android and Windows) Measuring instrument category CATIII 300: allows the use of the measuring instrument from tests with safety extra-low voltage (SELV) via 3-phase systems with or without neutral conductor up to testing in power electronics, eg. B. DC link voltage of 700 V DC FPGA-based real-time processing in the device enables comprehensive network analysis in the three-phase networks, which are displayed directly on the device in the vector diagram Technical Specifications: DISPLAY & OPERATION Graphic display: 9 cm (3.5 "), QVGA, colored, light (adjustable up to 400 cd / m²) Operation: Pushbutton and incremental encoder with pushbutton INPUTS & OUTPUTS Inputs: 4 isolated measuring channels CAT III 300, each with I and U measurement (max. 8 can be used at the same time) Input A -D: U and I connection via 4 mm safety sockets Measuring ranges U: 25/70/250/700 VAC ± 36 / ± 100 / ± 360 / ± 1000 VDC Measuring ranges I: 0.7 / 1.6 / 7/16 / AAC ± 1 / ± 2.5 / ± 10 / ± 16 ADC Sampling rate: max. 1,000,000 values / s per channel at U and I max. 500,000 values / s GENERAL Loudspeaker: Error message when exceeding the measuring ranges Data storage: 100,000 readings for each measurement series, built-in Micro SD Card (4 GB) for over a thousand measurement files and screenshots WLAN: 802.11 b / g / n as access point or client (WPA / WPA2) VNC server: integrated USB ports: Connect a USB Type C Mains voltage: 230 V 50 - 60 Hz (conversion to 115 V possible) Connected load: 50 W Dimensions: 300 mm x 300 mm x 180 mm Weight: 3.7 kg Scope of Delivery: Power cord USB A / C cord Includes software with the following characteristics: Software for recording and evaluating measurement data acquired via Three phase high power measurement device, with comprehensive integrated help functionality and many operable experiment examples. Including measurement server for the distribution of live measurements, table and diagram as well as measurement files on tablets or smartphones. School license for use on any number of PCs in a school or institute Supports up to 8 measurement devices, via USB-ports Supports Joule and Wattmeter and Universal Measuring Instrument Supports sensor boxes Additionally supports numerous devices via the serial interface (e.g. VideoCamera IRPD, balance) Connection to the integrated measurement server in the local network via QR code "Plug and play" enabled for easy use: the software automatically detects the connected devices and sensor boxes and displays these graphically, inputs and outputs are activated simply by pointing and clicking and typical experiment parameters are automatically loaded (depending on the connected sensor box) Measurement data can be displayed in the form of analog/digital instruments, tables and/or diagrams (also simultaneously, with user-definable axis assignment) Measured values can be recorded manually (at keystroke) or automatically (choice of time interval, measured time, lead time, trigger or additional measurement condition) Powerful evaluation functions including various fits (straight line, parabola, hyperbola, exponential function, free fitting), integrals, diagram labeling, calculation of user-definable formulas, differentiation, integration, Fourier transforms Experiment files in XML-data format Convenient exporting of measurement data and diagrams via the clipboard "Logbook" function lets you briefly document other experiment information in the experiment file Complete with more than 150 experiment examples from physics, chemistry and biology with detailed descriptions - Graphical display, sensor box and connector allocation when the experiment file is loaded Free updates and demo version available through our internet homepage 1x Synchronous Machine with Salient Poles 0.3 Three-phase synchronous machine with salient pole rotor and damper cage for motor and generator operation. Machine with one shaft end is insulated built on an aluminium base with glides. The machine is to be operated on the machine bench. All connections are brought out on the overhead connection box separated on 4 mm safety plugs. The nominal ratings are mounted on three rating plates on the connection box. The machine is protected by a built-in stator winding temperature switch against overload. In addition to the protective conductor connection attachment for potential equalization line via M6 thread on the connection box is also provided. Ratings for motor operation: Power: 0.3 kW Voltage: 400 V Y Current: 0.67 A Excitation voltage: max.140 V Excitation current: max.0.55 A Frequency: 50 Hz Power factor: 1/0.8 Design: 4 pole Speed: 1500 min-1 Generator: Power: 0,3 kVA Voltage: 400 V Y Current: 0.43 A Excitation voltage: max.140 V Excitation current: max.0.55 A Frequency: 50 Hz Power factor: 1/0.8 Design: 4 pole 1x Squirrel Cage Motor 230/400 0.3 Three-phase asynchronous motor with squirrel cage rotor. Machine with one shaft end is insulated built on an aluminium base with glides. The machine is to be operated on the machine bench. All connections are brought out on the overhead connection box separated on 4 mm safety plugs. The nominal ratings are mounted on three rating plates on the connection box. The machine is protected by a built-in stator winding temperature switch against overload. In addition to the protective conductor connection attachment for potential equalization line via M6 thread on the connection box is also provided. Ratings: Motor: Power: 0.25kW Voltage: 400 /230V Y / Δ Current: 0.76 /1.32 A Frequency: 50 Hz Power factor: 0.79 Design: 4 pole Speed: 1350 min -1 1x Capacitor motor R 0.3 Single-phase AC motor with starting relay, starting and operating capacitor. Machine with one shaft end is insulated built on an aluminium base with glides. The machine is to be operated on the machine bench. All connections are brought out on the overhead connection box separated on 4 mm safety plugs. The nominal ratings are mounted on three rating plates on the connection box. The machine is protected by a built-in stator winding temperature switch against overload. In addition to the protective conductor connection attachment for potential equalization line via M6 thread on the connection box is also provided. Motor: Power: 0.37 kW Voltage: 230 V Current: 2.6 A Frequency: 50 Hz Power factor: 0.93 Starting capacitor CA: 20 µF Operating capacitor CB: 14 µF Design: 4-pole Speed: 1400 rpm 1x DC Compound Machine 0.3 DC compound machine for motor and generator operation is isolated built on an aluminium base. The machine can be used as shunt, series, or compound wound machine, series winding with tap for compounding and shunt winding. The machine is protected by a built-in stator winding temperature switch against overload. Machine with one shaft end is insulated built on an aluminium base with glides. The machine is to be operated on the machine bench. All connections are brought out on the overhead connection box separated on 4 mm safety plugs. The nominal ratings are mounted on three rating plates on the connection box. In addition to the protective conductor connection attachment for potential equalization line via M6 thread on the connection box is also Ratings: Electrical ratings: Ratings for operation as Shunt machine As motor: Power: 0,3 kW Voltage: 220 V Current: 1,8 A Excitation voltage: 220 V Excitation current: 0,26 A Speed: 2000 rpm As generator: Power: 0,22 kW Voltage: 220 V Current: 1 A Excitation voltage: 220 V Excitation current: 0,26 A Speed: 2500 rpm Ratings for operation as Series machine As motor: Power: 0,3 kW Voltage: 220 V Current: 1,74 A Speed: 2050 rpm As generator: Generator mode not specified Ratings for operation as Compound machine As motor: Power: 0,3 kW Voltage: 220 V Current: 1,83 A Excitation voltage: 220 V Excitation current: 0,26 A Speed: 1645 rpm As generator: Power: 0,22 kW Voltage: 220 V Current: 1 A Excitation voltage: 220 V Excitation current: 0,26 A Speed: 2400 rpm Mechanical data: Type of construction: B3 Shaft end: 1 Base: Alumium Connection box: Top Temperature class: B (120°) Degree of protection (IP): IP20 Temperature detectors: Bimetal switches 110° NC (normally closed) Efficiency class: IE1 1x Starter Circular rheostat (Step winding) with scale 100 - 0 % for starting DC motors 0.3 kW. Resistance: 47 Ohm Current: 2.5 A 1x Field Regulator Motor Circular rheostat with scale 0 - 100 % for adjusting the excitation in DC shunt and compound wound motors 0.3 kW. Resistance: 560 Ohm Current: 0.52 A 1x Field Regulator Generator Circular rheostat with short-circuit contact and scale 0 - 100 % for adjusting the excitation in DC shunt and compound wound generators 0.3 kW. Resistance: 560 Ohm - Current: 0.52 A 1x Resistive Load This module provides three banks of switched resistors which are used for loadin purposes and for teaching basic circuit theory. Three resistor switched load banks Seven resistor values per bank 547 – 3770 ohms per bank. 100 W per bank Total Three Phase loading for Star at 400 V or Delta at 230 V, 300 watts Fuse protected at 0.5 A Safety earth connection provided 1x Capacitive Load Three capacitive switched load banks Seven capacitive values per bank 1– 7 μF per bank 116 VAR at 230 V a.c., 50 Hz per bank Total Three Phase loading for star at 400 V or Delta at 230 V, 348 VAR Fuse protected at 0.8 A per bank Safety earth connection provided 1x Inductive Load Three inductive switched load banks Seven inductive values per bank 1.7 H – 12 H per bank 100 VAR at 230 V, 50 Hz per bank Total Three Phase loading for Star at 400 V or Delta at 230 V, 300 VAR Fuse protected at 0.5 A per bank Safety earth connection provided 1x Industrial Frequency Converter Didactically adapted, industrial frequency converter with voltage link for the generation of three-phase, frequency and amplitude variable output voltage from single-phase AC mains. This device can be used for speed open loop control and speed and torque closed loop control of asynchronous machines and IPM machines of the power classes 0.3 kW. Front panel with block diagram showing various functions of the inputs and outputs. Inverter control principle: U / F or DANFOSS-VVC + The adaptation of the drive machine and the control devices via an extensive set of parameters. This can be easily programmed and optimized via the DANFOSS software MCT10 via the integrated USB port. 6 digital programmable, PLC compatible control inputs, 2 digital pulse and rotary encoder inputs 2 digital inputs STO (Save Torque Off) 2 analog inputs 0 ... 10 V and 0/4 ... 20 mA 1 analogue output 0/4 ... 20 mA (500 W) 1 programmable control and relay output, status indication with LED's 1 USB port 1.1 (Full Speed) 2 PROFINET connections 3 phase connections for connecting the machine 1 protective conductor 2 connections for equipotential bonding or partial equipotential bonding Menu navigation in German, English, French, Danish, Spanish, Italian and Portuguese. Display of all important operating states (eg frequency, motor current, voltage, torque) via display Integrated speed controller Technical Specifications: Output current: continuous 3 x 2.2 A (3 x 3.5 A max 60 s) Output power: continuous 0.9 kVA Output voltage: 3 x 0 ... 133/230 V. Output frequency: 0.2 ... 132 Hz / 1 ...500Hz Mains connection: 220 ... 240 V, 50/60 Hz Input current: max. 5.9 A Scope of delivery: Mains connection via IEC socket with mains cable, earth contact and GB version. USB cable Technical documentation and software for parameterizing and documenting the frequency inverter can be free downloaded from DANFOSS 1x Experimental Manuals Electrical Machines, Industrial Frequency converter technology, drives. Basic theoretical informations, equipment descriptions, experiment instructions, in English, also available in pdf and as a interactive html literature embedded in a school, classroom, inventory and literature management system in the format of an online portal 1x Universal Power Supply Comprehensive Power Supply Circuit breaker protection 3-phase: nominally 0 – 400 V a.c. line at 4 A 3 x Single Phase: each nominally 0 – 230 V a.c. line to neutral at 4 A d.c. nominally 0 – 270 V at 6 A Three Phase 400 V line, 230 V Single Phase, fixed d.c. 220 V 10 A Single Phase power distribution Safety earth connection provided 1x Panel Frame 2-level frame for training panels in DIN A4 equivalent height, for high load 1-level frame for power supply 60-105-230 or 60-105120 4 aluminum profile rails with 2 brush strips and reinforced with rectangular steel tubing on the rear side 2 T-bases of rectangular steel tubing Mounted to bench top with 2 M8 wing screws Width: 1450 mm, height: 1006 mm, depth: 300 mm 1x Set of Bridging Plugs ten 4-mm safety bridging plugs with 19 mm spacing, colour black, max. current rating: 32 A. 1x Set of Safety Connecting Leads Black/Blue/Red 2 each safety connecting lead, red 100 cm 2 each safety connecting lead, blue 100 cm 2 each safety connecting lead, red 50 cm 2 each safety connecting lead, blue 50 cm 2 each safety connecting lead, red 25 cm 2 each safety connecting lead, blue 25 cm 4 each safety connecting lead, black 100 cm 6 each safety connecting lead, black 50 cm 6 each safety connecting lead, black 25 cm 4 each safety connecting lead, black 10 cm Plugs and sockets: 4 mm diameter (nickelplated) Conductor cross-section: 2.5 mm2 Steady current: max. 32 A Contact resistance: 1.8 mΩ 1x Set of Safety Connecting Leads Yellow/Green ten 4-mm safety bridging plugs with 19 mm spacing, colour yellow/green max. current rating: 32 A.

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