Three-Phase Transformer Winding Resistance Meters

TWA Standard Series - IBEKO Power AB

When it comes to winding resistance measurement on three-phase power transformers and autotransformers, TWA Standard series offers some of the most technically advanced instruments with LCD display in the market. Both models are capable of testing six transformer windings with a one-time cable connection, as well as three-phase automatic transformer demagnetization. The stored magnetic energy is safely automatically discharged at the end of the test. The built-in tap changer control unit enables automated test mode, where the instrument operates the tap changer without operator input and records winding resistance results based on pre-selected stabilization criteria. This option makes the operator’s job significantly easier.Both models can output test currents from 5 mA to 25 A DC for the purpose of winding resistance measurement. TWA40D has a special test mode for checking the synchronization of on-load tap changers with three phases simultaneously tested in parallel, in which the total test current can rise to up to 40 A DC.TWA40D has additional advantages when it comes to non-intrusive tap changer analysis. The unique DVtest method enables checking the moving contacts of on-load tap changers during the transition, measuring the transition time, detecting open circuits, and many other types of faults. It is performed with 0.1 ms sampling rate, simultaneously with the measurement of tap changer motor current which helps with the detection of motor and mechanical issues. A special proprietary algorithm is used for testing tap changers connected through a built-in series (booster) transformer. The DVtest can be performed either on one phase or on three phases simultaneously. It can also be performed as an additional test simultaneously with the winding resistance test in all tap positions.An additional unique advantage of TWA40D is the capability of simultaneously testing the winding resistance of all three phases of a three-phase transformer (connected in a YN configuration). This can significantly shorten the total testing time – for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.The test leads for TWA three-phase transformer winding ohmmeters are interchangeable with the TRT turns ratio testers, which means that both sets of tests can be performed with a single test lead connection to the power transformer terminals.

Automated Programmer Superpro Sb05

Xeltek

※ Four Pick & Place nozzles, Eight socket pressing actuators and 2 tape feeders※ High throughput up to 2400UPH※ Embeded with eight ultra-high speed programmers SuperPro / 7500, each with up to 4 sockets, totally 32 sockets. Throughput 60 times higher than SuperPro / SB01 for eMMC devices※ Supports over 80,000 devices from over 300 IC manufacturers※ Supports tray, tape and tube input and output. Supports laser and ink marking※ Short change-over time※ Intelligent s/w cuts learning curve and setup time, makes task management an easy job※ Compact sizeHigh throughput：4 nozzles, 8 independent socket pressing actuators and 2 tape feeders. Up to 2400 UPH for devices with programming time less than 50 sec. Throughput 0.6 to 60 times higher than SuperPro/SB01, especially higher for large capacity devices like eMMC, NAND /NOR FLASH,SPI FLASH. Suitable for both small and large capacity devices. Prog. Time (S) 50 60 120 180 240 300 UPH (unit per hours) 1600 1600 840 560 420 336 Accurate positioning：Equipped with high performance servo system, precise CCD cameras and vision algorithm for device alignment and sockets / pick & place spots positioning.High performance programmers： 8 ultra-high speed universal gang programmers SuperPro/7500 resident. Each with up to 4 sockets, totally up to 32 sockets in the system. Supports up to 100,000 devices from over 300 IC manufacturers and growing.Varied I/O devices：Supports tray, tape and tube input and output. Supports laser and ink marking. Supports packing conversion and can work as a packing conversion machine alone.Short change-over time：I/O devices and socket adaptor are easy to be changed when programming task need to be changed. Socket positioning can be performed automatically. Projects can be loaded automatically with barcode scanning.Powerful and intelligent software：Setup data saved for next operation, log file and statistic reports for quality and yield traceability, flexible sockets prohibition strategy promises high yield rate for unattended operation, graphical user interface cuts learning curve, prevents chip over-lapping by socket checking before chip placing.Remote Control：Remote project loading, quality monitoring, volume control, file security.

Wiring Analyzers for Cables, Wire Harnesses, Backplanes

CableEye M2Z, M3Z, M4 - CAMI Research Inc. (CableEye®)

Fast ● Simple ● Precise Advanced wiring analyzer scans for continuity (opens, shorts), miswires, resistance, capacitance, components (resistors, diodes, LEDs, capacitors), insulation resistance, intermittent connections. For diagnostic and Pass/Fail Testing All CableEye^® testers are suitable for production, fault diagnosis, QC (Quality Control), assembly, and prototyping of standard or custom cables. Each combines test, fault location, design, documentation, labeling, and database storage in one instrument. Tests can be performed on long cables (with or without connectors) or no cables (e.g. connectors, backplanes, PCBs, components). Standard Features & Benefits:

• USB certified, PC-based tester for a versatile, fast, robust system with long life-cycle.
• Multilingual, dynamic, graphic-rich display (netlist & wiring schematic) provides clarity and speeds diagnostics.
• 128 Test Points, expandable to 1024 providing flexibility as your product line changes.
• Real-time screening for intermittent connections for pinpointing elusive faults and improving quality.
• Automation scripting in a simple, intuitive language allowing non-programmers to reduce operator error by automating repetitive steps.
• Pop-Up Work Instructions. choose the exact amount of detail, imagery, language and automation you need to ensure your work instructions and tests are carried out flawlessly.
• Flexible tolerancing: optionally define as percentages or absolute terms, as well as asymmetrically (e.g. +0%/-10%) for improved yields.
• Barcode-tracking & archival data-logging to achieve error-proof test process and improved traceability & productivity.
• Print PASS/FAIL labels, test reports (with or without color wiring schematics/netlists) and log reports to satisfy ISO9000 reporting requirements.
• Compatible with laptop and touchscreen PCs for fieldwork and rack/off-bench mounting.

Includes: CB15C board set (Item 745C) for common computer and peripheral device cables; comprehensive PC software with Database of >200 standard cables; 2 yr Product Support Subscription comprising Warranty, free tech support, and free software upgrades. Select Add-On Options: Hardware: 128-point Expansion Modules (attach to base); Environmental Sensor Software: PinMap™ fixture editor, Connector Designer™ connector editor, or Autobuild™ guided assembly modules camiresearch.com |@CAMI_CableEye |+1.978.266.2655

Heavy Duty Dynamometers

MD-7500-HD - Mustang Dynamometer

Today’s Fleet Managers are faced with many challenges – most important of which is maintaining a healthy bottom line. With fuel costs at an all-time high, these challenges have become increasing difficult. Fleets being transitioned from fossil fuels to electric propulsion also face challenges with durability and range to make sure routes can be completed on time each and every day. To help combat these problems and others facing fleet managers today, Mustang Dynamometer offers the MD-7500-HD Series Chassis Dynamometer – which features the most advanced diagnostic capabilities in the industry. The MD-7500-HD is designed to simulate the driving conditions that fleet vehicles encounter on the road every day in a safe and controlled shop floor environment so that critical engine and drivetrain systems can be evaluated to insure vehicles are performing properly and at maximum efficiency. What’s more, the MD-7500-HD offers several levels of testing capabilities in a modular, compact package and with capabilities that can be upgraded in the future as your needs change. Every vehicle in your fleet can now be tested and validated before and after a repair to ensure proper diagnosis and repairs have been performed. In addition to testing repaired vehicles, the MD-7500-HD can be used to test vehicles on a regular basis as a preventative maintenance measure which decreases unexpected breakdowns and allows fleet management to control fuel costs while reducing repair costs. Periodic testing keeps fuel consumption to a minimum and helps technicians identify suspect components before they fail. A proactive approach to Fleet Service can prevent unexpected engine and or drive-train failure which saves organizations thousands of dollars in lost fair revenues. At the heart of the MD-7500-HD is a set of three air-cooled eddy current power absorbers. Each absorber, or brake, can hold up to 600-hp (total power of 1,800-hp) – more than enough to simulate a fully loaded transit bus. As the systems PAU’s (brakes) are air-cooled, no water is required to or from the device – eliminating the high cost of water consumption and/or the cost of an expensive water recovery system – which can sometimes exceed the cost of the dynamometer system itself. Mustang is the only company that offers a Universal Fleet Test Bed without water supply requirements. AC Motors can be added to simulate regeneration and validate range for organizations that have transitioned to carbon free electric propulsion. The 7500 is the best solution for fleet managers looking to improve their bottom line and offer disruption-free public transportation.

Natural Cooling Input 380VAC 3 Phase to Output 190-300VDC 10A-40A Rectifier Battery Charger

SD230D20ZZ - Zhejiang Sandi Electric Co., Ltd

SANDI “SD” series intelligent high-frequency switch power supply modules are specially developed to meet the demands of modern DC system. The charger rectifiers are designed with world leading patent technology “resonant voltage type soft switching power supply technology”. They feature high efficiency and stability, intelligent control, small size and light weight. Standard RS-485 interface, easy to connect with automation system. “Four remotes” functions, intelligent management. The products are widely used in power plant, substations and etc..Main characteristic of the moduleModularization design, realize N+1 backup;The friendly man-machine interface. Large screen to show, realize man-machine dialogue operate really.RS-485 inrerface, realize “4 remote” function with monitor machine.High efficiency, Nearly 95%-96%;Lightly, 230V/10A natural cooling module only 9kg;Little volume, 230V/10A natural cooling module dimension only 325mm×230mm×130mm;After the full bridge rectifying circuit rectifies 3-phase AC to DC, then adjusted by reactive PFC, power factor>0.94;Function against reverse pour: each module has been added diode against reverse pour at output terminal.LED digital screen, digital calibrate, stable current ,fault alarm Main characteristic of the ModulesThe friendly man-machine interface. LED digital screen, digital calibrate, stable current ,fault alarmHigh efficiency, up to 95%-96%;Light weight, Small sizeAfter the full bridge rectifying circuit rectifies 3-phase AC to DC, then adjusted by reactive PFC, power factor>0.94;Unequal current ratio of parallel connection＜+/-3%, can ensure twenty modules work well by parallel connection.Multiple protections including over/under voltage, current limiting, short-circuit, parallel protection, over-temperature protection.Output over-voltage protectionTo prevent the disastrous accident caused by output overvoltage, there is overvoltage protection circuit in the module. Once the output voltage is higher than the threshold, the module locks up automatically and fault indication light is on, the faulty module quits work automatically and doesn’t affect the normal operation of the entire system.Output current limiting protectThe output current cannot increase infinitely. The maximum value of the output current of each module is limited to the rated output current 105%, in this range, the output current value of the module is continuously adjustable. If the load output of the module, the module will play down the output voltage.Output short-circuit protectionWhen short circuit, the output voltage drops to 0 immediately. Limit the short circuit current under 15% of rated output current. The module will not be damaged under short circuit state for a time, and resumes to work automatically after debugging. Module parallel protectionThere is parallel protection circuit in each module to ensure that when the fault module quits the system, the normal work of other modules and the system won’t be effect.Output over-current protectionThe output current cannot increase infinitely. If overloaded, the output voltage decreases automatically to protect the power components. The over current protection can be resumed automatically.

40kw High Efficiency AC/DC Power Supply Charger 100-750VDC Charging Rectifier 100A Battery Charger

SD750100G - Zhejiang Sandi Electric Co., Ltd

40kw High Efficiency AC/DC Power Supply Charger 100-750VDC Charging Rectifier 100A Battery Charger is for DC battery system charging station. With three-phase non neutral conductor AC input, it has the advantages of high efficiency, high power density and low harmonic. 50-500Vdc output voltage range optional, suitable for all types of batteries.FeaturesProduct Introduction：SAND AC/DC Charger is specially developed for DC chargers module. It has high efficiency, high power factor, high power density, high reliability advantage. AC input 3 phase or single phase, DC output voltage range from 100 to 750VDC can be set, compliant with CE safety requirements, EMC standard EN61000-6-3 and EN61000-6-1 Class A, it is an advanced international level charger module.Unique function：● High efficiency over the full load range, full load efficiency greater than 95.5%● Wide output voltage range, 100-750VDC, suitable for a wide range of Lithium and lead acid battery● 5-inch LCD touch screen, easy to operate● Flexible application, charging voltage, charging current, charging time, timing charging can be set by LCD screen, easy to operateMain features：● Powerful protection, overheating, short circuit, overload, overvoltage, undervoltage, etc.● Three phase active power factor correction technology, reduces the harmonic interference to the grid● Dual DSP design, achieve the full digital control, less components means high reliability● Wide input voltage range, allows operation in most poor grid conditions● Soft start charging and soft shutdown minimize the impact on the battery.● Input, output have protective circuit breaker switch● Module adopts hot pluggable design, which is convenient for maintenance.● CAN/RS485 interface (Optional)SpecificationModel SD750100GAC input Input system Three phases + PEVoltage range 280Vac ~500VacRated voltage 440VacFrequency range 50Hz/60HzMaximum current <74AITHD (total harmonic distortion) <5%DC output Output power 40KWVoltage range 50-750Vdc ( can set)Constant power output voltage range 400Vdc-750VdcOutput current range (A) 100A ( 1~100A can set)Output current limit 1-100A continuously adjustableSteady voltage precision <±0.5%Steady current precision ≤±1% (rated range of 20% ~ 100% for output load)Load regulation rate ≤±0.5%Startup overshoot ≤±3%Peak-to-peak value noise ≤1% (200~1000V, 0~20MHz)Display Indication Light Green LED: normal operation,Yellow LED: alarm, Red LED: failureDisplay language EnglishDisplay 5’ LCD touch screenPower factor and THD Power factor ≥0.90 Full-load output power of @20%~50%≥0.98 Full-load output power of @50%~100%≥0.99 Full-load output power, input nominal voltage and frequency of @100%THD ≤5% Full-load output power of @50%~100%Protection function input overvoltage Protection Over Under Voltage automatic shutdown and restart when voltage return normalOutput overvoltage protection Over Under Voltage automatic shutdown and restart when voltage return normalOver-temperature protection Automatic shutdown. Automatic restart when the temperature return to normalShort circuit protection Automatic shutdown and lock, need power off to restart to unlockEfficiency Under Rated input voltage ≥95.2％