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High Voltage Construction KIT

The KIT 4.0 is a high voltage system made of easily configurable elements. It is highly modular and is the ideal tool kit for conducting experiments in a university and in an R&D lab. A variety of experiments are possible with the generated AC, DC, and impulse voltages.The Haefely High Voltage Construction KIT 4.0 combines state of the art technology with ease of use, offering variable frequency experiments to students and is certified safety SIL 3.It integrates a frequency converter front end, digital oscilloscope for voltage and current measurements and completely refreshed accessories set. All components have their own NI LabVIEW function block, making the KIT modular in software as well as in hardware.The configuration is built up by inserting different KIT elements into connection cups or floor pedestals to form a self-supporting arrangement.

Key features

  • Variable Frequency - from 10 to 200 Hz
  • Laptop / LabVIEW - Controlled
  • Software - Customizable
  • Safety SIL 3 Power Supply- Certified
  • PD Measurement - Compatible
  • Decoupled power supply - Clean separation from the Grid

Impulse Current Generators

Haefely SSG 200-180 / 100-150 is used for exponential current impulse ECI 1/20us, 4/10us, 8/20us and lightning current impulse LCI 10/350us applications with impulse current amplitude up to 200kA.

Key features

  • Advanced Flexibility
  • Long Service Life
  • Fast Impulse Repetition Rates
  • Advanced Stability
  • Automation

Mobile Test Systems

RSKF is a mobile and easy to use solution based on the latest technology in frequency converters for testing up to 500 kV cable class. The reactor is made from best quality flat stacked laminations with fixed air gaps and is designed to have a very low loss.The RSKF is a modular system and can be combined in parallel and series configuration for higher current or voltage requirement. It allows easy integration with existing fixed-gap reactors (even non-Haefely reactors). Integration can be made with Haefely controls as master and non-Haefely systems as slave.Larger installation can be made with Haefely trailers as master and non-Haefely trailers as slave, such as 2S2P (2 series and 2 parallel) or 2S4P (2 series and 4 parallel)  setup would be possible with only 2 trailers from with Haefely. The system's low noise level also enables partial discharge measurement if required.

Key features

  • RSKF model available with 165 kV - 60 A and 260 kV - 83 A
  • Models to match industry standard voltages and currents
  • Integrated solution on one trailer
  • Air conditioned compartment for Front End components
  • Universally proven Frequency converters
  • Multiple trailers can be used in series or in parallel configurations

Cable Test Terminators

Cable test termination systems are used for high voltage testing of power cables. Before high voltage (AC or Impulse) can be applied the power cable need to be prepared and terminated in a special way order to control the electrical field distribution along the ends.

The KEV series oil-insulated Cable Test Terminations are used for AC testing as well as for PD testing on extruded insulation medium voltage cables. Our KEV series is available for rated voltages up to 100kV.Their main characteristics include easy handling, short cable preparation times and very short set up times; this is of great importance in routine test applications.

AC Dieletric Test Equipment

AC Test system

ACS / PSZ

Our ACS/PSZ AC Dielectric Test Systems are specifically designed for test applications which require a stable output voltage, even if the load may change during testing. For example for heavy corona, wet tests or pollution tests to name a few. These systems are also especially useful for when the load is inductive, such as inductive voltage transformers.Depending on our customer's specific needs, it's possible to stack several transformers - allowing us to reach very high voltages while also taking up very little valuable floor space.

Key features

  • Flexible high voltage connection options
  • Sophisticated protection features for optimal test object and personnel protection
  • Option to add air-cushion base frame
  • Compact dimensions perfect for minimum space requirements
  • Large range of applications
  • Low acoustic noise level (approx. 65 - 75 dBA)
  • Power compensation inductance guarantees linear voltage distribution for systems with three or more stacked transformers
  • Power compensation inductance reduce the power required on the primary side (LV) of the test system

Controls AC

Haefely offers several different types of control units for our AC dielectric test. These controls are designed for a number of test applications.AC dielectric testing is a proven technique for verifying insulation integrity in electrical apparatus. As electrical apparatus such as cable, switchgear, transformers, aerial lift equipment, and other insulating devices are pushed to the limits, higher voltage testing is required to qualify the finished product. Haefely has been manufacturing AC dielectric test equipment for over 50 years and continues to provide the industry's most accurate and reliable AC hipots.

PSK

Our PSK AC Dielectric Test Systems are specifically designed for test applications which require a stable output voltage, even if the load may change during testing. For example for heavy corona, wet tests or pollution tests to name a few. These systems are also especially useful for when the load is inductive, such as inductive voltage transformers.This system allows for a variable duty cycle and includes the option to add radiators or forced oil-cooling for extended duty cycles. The PSK systems are optimized for indoor or outdoor tests with long duration or continuous duty cycles.

Key features

  • Flexible high voltage connection options
  • Sophisticated protection features for optimal test object and personnel protection
  • Option to use an external oil expansion vessel or protection relay
  • Specially adapted bushings for indoor or outdoor use
  • Large range of applications
  • Power compensation inductance guarantees linear voltage distribution for systems with three or more stacked transformers
  • Low acoustic noise level (approx. 65 dBA)
  • Power compensation inductance reduce the power required on the primary side (LV) of the test system

Coupling Capacitors

9230

The Haefely  9230 high voltage  capacitor  consists of a modular HV capacitor with appropriate coupling impedance fitted in for partial discharge measurements.The high voltage  capacitor is a part of the partial discharge measuring circuit. A closed loop for the high frequency PD signals is established between the test object and the coupling capacitor. The PD pulses are then captured by the measuring impedance and brought to the PD detector.

Key features

  • Large measurement bandwidth
  • High stability in capacitance values
  • PD free (less than 1 pC)
  • BNC outputs for PD and voltage readings
  • Large base frame with heavy duty swivel casters
  • Save room in the HV laboratory: With our compact all in one solution, coupling capacitor, measuring impedance and (optional) high voltage filter in one single unit, the amount of necessary devices for performing a test re reduced
  • Reliable results: Large measurement frequency bandwidth, high stability in capacitance values with frequency and temperature guarantee a consistent and reliable measurement
  • Increase your sensitivity: With the optional HV filter interferences from the HV power supply are sufficiently suppressed and sensitivity of the test circuit is increased

9230/20/1-PD

9230/20/1-PD - Coupling capacitor 20 kV for Partial Discharge MeasurementThe coupling capacitor (PSF - Power Separation Filter) type 9230/20/1-PD includes in a compact design the high voltage capacitor, the high voltage filter and the measuring impedance. It is optimized for measuring partial discharges together with the PD detector DDX 9121b.An incorporated half-T filter on the high voltage electrode attenuates the interferences coming from the power supply and increases the sensitivity of the PD measuring circuit. The filter is protected from overvoltage by a mechanical spark-gap.

Key feature

  • All in one solution including the coupling capacitor, the HV filter, and the measuring impedance
  • PD free (less than 1 pC)
  • Voltage/synchronization output
  • Portable and perfect solution for onsite measurements of rotating machines (together with MIDAS and DDX 9121b)

9230/30/9-PD

9230/30/9-PD - Coupling capacitor 30 kV for Partial Discharge MeasurementThe coupling capacitor (PSF - Power Separation Filter) type 9230/30/9-PD includes in a compact design the HIGH VOLTAGE CAPACITOR, the high voltage filter and the measuring impedance. It is optimized for measuring partial discharges together with the PD DETECTOR DDX 9121BAn incorporated half-T filter on the high voltage electrode attenuates the interferences coming from the power supply and increases the sensitivity of the PD measuring circuit. The filter is protected from overvoltage by a mechanical spark-gap.

Key feature

  • All in one solution including the coupling capacitor, the HV filter, and the measuring impedance
  • PD free (less than 1 pC)
  • Voltage/synchronization output
  • Portable and perfect solution for onsite measurements of rotating machines (together with MIDAS and DDX 9121b)

Transformer Test Systems

Distribution Transformer Test System

Distribution transformers are "mass production equipment"; high testing-throughput is a must without compromising quality. Our DTTS aims at a highly automated test procedure using well-prepared sequences and minimal manual intervention to keep the test duration of a single transformer as short as possible and to avoid human errors.

Key features

  • State of the art frequency converter
  • Powerful operating software with intuitive interface and automated test sequences. It is a multifunctional tool, including all routine tests and the heat run test within one unique system . All supported tests are performed in conformity with IEC, IEEE/ANSI and GOST.
  • The highest accuracy and the only completely calibrated and certified measurement system
  • The lowest system-noise level allowing highly sensitive Partial Discharge measurements
  • Integrates all routine tests within one unique system
  • Fulfills all international standards (IEC, IEEE/ANSI and GOST)
  • Reduced testing time
  • Plug and Play
  • Centralized controlling and reporting
  • Easy integration into existing production lines

Power Transformer Test System

The PTTS - Power Transformer Test System is designed for routine testing of power transformers. All supported tests are performed in conformity with IEC 60076 and IEEE/ANSI C57.12.90. Test system consists on a state of the art frequency converter based power supply, a multi- tapped step-up transformer, a capacitor bank and a loss measurement system.

Key features

  • State of the art frequency converter
  • The highest accuracy and completely calibrated and certified measurement system
  • The lowest system-noise level allowing highly sensitive Partial Discharge measurements
  • Modular design for futures expansions
  • Integrates all routine tests within one unique system
  • Fulfills all international standards (IEC, IEEE/ANSI)
  • Free adjustable test frequency, 40 Hz to 200 Hz
  • Low life-cycle costs and low maintenance
  • Parameters as “stability”, symmetry” and THD” at best level

TMS 580 Transformer Loss Measuring System

The TMS 580 is a computer controlled high precision measuring system for power transformers. The system has distinguished itself in the rugged environment of the transformer test facility. The design ensures that its control and instrumentation function circuits remain unaffected by interference fields. There is also a Wattmeter function to perform quick and easy measurements without any additional calculations. The measuring data are accessible from other host systems for further processing.

Key features

  • Load loss measurement to reveal indications about stray losses and winding resistance.
  • No-load loss measurement to determine transformer excitation.
  • Heat run to verify temperature rises of oil and windings.
  • Induced voltage test to check the voltage withstand capability of the insulations.
  • High measuring accuracy of maximum +/-0.35% of the indicated power at a typical frequency of 50 Hz and a power factor of 0.05. The stability of the error is guaranteed for 12 month.
  • Short throughput times due to the elimination of instrument transformer rewiring, remote range selection and computer aided processing.
  • Assured documentation quality with a precise test report, which is generated automatically at the end of a measurement.
  • Excellent technical services are guaranteed by our skilled and experienced engineers. They ensure perfect operating condition over the systems entire service life.
  • High operating convenience reduces the learning process and minimizes faulty operations. Intuitive windows operating software helps getting familiar with the instrument very fast.

Impulse Voltage Generators

SGDA

The SGDA impulse generators are the perfect solution for carrying out impulse tests on HV or UHV cables (5 kJ version) as well as on MV and HV power transformers (10 kJ version). Their small footprint and stable design meet the needs of universities and R&D centers. And with its unique Delta-structure, the SGDA impulse generators are easy to transport and erect onsite.The SGDA series are available for 5 or 10 kJ stage energy, with total charging voltages from 400 kV up to 3000 kV. Also, this system features the lowest internal inductance ever achieved and is well-suited for transformer manufacturers.

Key features

  • Total charging voltage 400kV to 3000kV
  • 5 or 10 kJ stage energy
  • The lowest internal inductance ever achieved
  • Small footprint
  • Reliable and accurate triggering by improved Marx Circuit
  • Handy plug-in resistors and connections
  • Unique protective grounding device
  • Ease of operation with modern control system
  • Impulse wave shapes’ analysis according to latest IEC, ANSI/IEEE
  • Compact Design
  • Short configuration times
  • A modular expandable system that grows with your application needs (max. 3000kV)
  • Easy handling and transportation for on-site testing
  • High stability and durability

SGSA

The SGSA impulse generator is the smallest of its range. They are recommended for medium voltage, small power transformer manufacturers and other general purpose impulse testing switchgears, bushing, etc.SGSA impulse test systems can be used to generate impulse voltages simulating lightning strikes and switching surges. Applications covered include testing according to IEC, ANSI/IEEE as well as other international standards. The basic system can be upgraded in various ways for special tests and for greater ease of operation. A number of additional circuits and components allow users to further optimize tests on different kinds of high voltage test objects.

Key features

  • Total charging voltage 100kV to 1200kV
  • 5KJ stage energy
  • Reliable and accurate triggering by improved Marx circuit
  • Handy plug-in resistors and connections
  • Unique protective grounding device
  • Ease of operation with modern control system
  • Impulse wave shape analysis according latest IEC, ANSI/IEEE
  • Compact Design
  • Short Configuration times

SGVA

The sophisticated design of the SGVA series considers all requirements of impulse voltage tests imposed by industry and research. This series offers reliable and accurate triggering- on account of its patented parallel spark gap leading to low impulse circuit inductance. Resistors are distributed within the generator, stored in easily-accessible compartments, accessible trough platforms and internal ladders for rapid stage access and interchangeability. An integrated base frame carries both the generator and the charging rectifier.

Key features

  • Total charging voltage up to 10 MV
  • 10 to 30 kJ stage energy
  • Reliable and accurate triggering by improved Marx Circuit
  • Handy plug-in resistors and connections
  • Rapid stage and resistors access
  • Unique protective grounding device
  • Ease of operation with modern control system
  • Impulse wave shape analysis according latest IEC, ANSI/IEEE
  • Short configuration times
  • A modular expandable system that grows with your application need
  • Sophisticated, strong and flexible design

Accessories

Chopping Gaps for Impulse Voltage Generators

Haefely line of chopping or sphere gaps can be used for either AC or DC voltage calibration  (according to IEC 60052) or as a load capacitor and to provide a chopped lightning impulse. Chopping gaps are an important part of a complete impulse test system when a chopped impulse is required. Haefely offers two lines of chopping gaps, the MAFS series which is an automated  multiple chopping gap and the KFS series which is a horizontal and vertical sphere gap. Integrated with Haefely control units GC 223 and GC 257 the sphere distances can be automatically adjusted on the vertical versions. This saves time in setup and also helps to provide a reproducible chopping time.

Controls for Impulse Voltage Generators

Control systems for impulse generators are a crucial part of a complete impulse test system. From customized test procedures to measuring values and built in alarms the Haefely impulse control units GC 223 and GC 257 can provide a reliable and advanced solution.Designed to be used in high voltage environments the Haefely controls units can be connected with an impulse measuring device (HIAS, DIAS or DMI) to form a full impulse control and measurement system. The controllers can also be fully remote controlled via an RS 232 interface and they also support automated test sequences if this option is required.

Dividers for Impulse Voltage Generators

When combined with our advanced impulse test systems, they are used to test HV apparatus such as Power Transformers, Instrument Transformers, Switchgear, Breaker, HV Cable etc. Tests are conducted with lightning full or chopped waves, and / or switching impulses. Haefely impulse generators integrate the highest safety systems which ensure a safe operation for  personnel and test object.

Measuring Devices (High Voltage)

DMI 551

The Digital Measuring Instrument DMI 551 is an instrument for measurement of AC, DC and impulse peak voltages by means of 3 independent channels. The instrument can also be used for firing a generator or a chopping sphere gap and to trigger an oscilloscope or any other measuring device. The instrument has also implemented a flash detector to store and display the last voltage measurement and its polarity before a breakdown or flashover occurred.Typical main applications of the unit include measurements of a voltage divider output or for automated product testing where the DMI 551 is integrated into a complete control and measuring platform. A SCS  calibration certificate for AC and/or DC channels is optional available.

Key features

  • AC voltage measurement by capturing rams, peak and peak/√2 values
  • DC voltage measurement and evaluation of mean value and ripple factor
  • Impulse voltage measurement by capturing peak values of lightning or switching impulses
  • Impulse current measurement by acquiring the voltage across a current shunt
  • Triggering of generator and chopping gaps and any other measuring device
  • Flash detection of AC and DC flashovers. The generator can automatically be stopped from recharging
  • Remote control to operate the unit from a computer or a laptop
  • Plotter output for recording of AC and DC voltages on an external X-Y graph recorder

HiAS 744

The HiAS™ 744 is the unique tailor made impulse analyzer for the industry. Haefely, the pioneer company for impulse testing since 1904, has been continuously developing and upgrading high-voltage impulse measuring/analyzing solutions over the years. The latest in a long line of distinguished impulse analyzers is the Highest Resolution Impulse Analyzing System HiAS™ 744. Haefely has set a new benchmark with unbeatable performance. The new front-end solution provides a 16-bit resolution at 250 MS/s with the highest measurement accuracy. Software, which has been upgraded to suit the new hardware, retains the comfortable interface proven and tested by many hundreds of satisfied users, and continues to be compatible with the former versions of data files of the HiAS™, allowing data comparison to older measurements.The optically decoupled front end provides complete galvanic isolation between control room and test field. It thus affords the personnel the highest safety level and in addition minimizes ground loop, resulting in a reduced interference coupling.

Key features

  • The highest measurement accuracy in the market
  • Excellent interference immunity and safe operation
  • Integrated solution, no additional divider necessary, compatible with any divider ratio
  • Synchronous multi-channel record
  • Compliant, advanced, state-of-the-art solution
  • Software and solution proven by many hundreds of users
  • No battery pack or recharge needed

RIC 422

The Haefely RIC 422 calibrator is used for the supervision and calibration of all kinds of impulse measuring systems.The accuracy of each calibrator can be traced back to the standard from PTB (Physikalisch-Technische Bundesanstalt, Braunschweig, Germany). The calibrator generates Lightning (LI), Switching (SI) and front-chopped Lightning (LIC) reference impulses according to the standards IEC 61083 and IEEE 1122. In addition it can produce accurate DC voltages and unit steps.Combined with the Haefely HiAS™ 744, HiAS™ 743 or DiAS™ 733 software, the RIC 422 can execute a fully automated calibration procedure according IEC 61083 for these impulse analyzing systems

Key features

  • Switching reference impulse type
  • Lighting reference impulse type
  • Front chopped Lighting reference impulse type
  • Outstanding output voltage accuracy and stability
  • High-precision impulse circuit with adjustable charging voltage to generates the impulses
  • Remote controllable from HiAS and DiAS digitizers
  • Output voltage is automatically load calibrated by gradual approximation to the reference value

RM 430

The ratio meter type 430 is used for the measurement and check of the transformation ratio of voltage dividers and terminal networks.The instrument measures the real transformation ratio taking into consideration the influence of the surroundings and including the effect of the measuring cable (which is important especially in the case of damped capacitive voltage dividers).The connection to the high voltage electrode of the voltage divider and the instrument can be done with a wire of 1 mm diameter. For the low voltage arm the impulse voltage measuring cable shall be preferably used.The transformation ratio meter has been developed especially for checking-up the transformation ratio of high voltage dividers in the test field.

Key features

  • Easy to use
  • Real Ratio Measured
  • Specially Designed for HV Dividers
  • Small, Portable Unit
  • Battery Powered

RSG 482

Recurrent Surge Generator 482 is a bench-top, one stage, low voltage equivalent of a high voltage impulse generator. Its wide range of applications includes the testing of models, the study of voltage distribution in high voltage windings during impulse voltage stresses and the predetermination of the circuit parameters of impulse test plants.Tests can be performed quickly and reliably without endangering personnel. All impulse circuit elements and, therefore, all impulse forms may be varied within broad limits with selector knobs.

USG 40

The unit step generator emits recurrent rectangular pulses with rise times of less than 5 ns using a D.C. source 60..300 V. Its main application is the determination of the transfer characteristics of voltage dividers and shunts according to IEC 60060-3.It can also be used for the measurements of transient over-voltages in networks during switching operations or short-circuits and to determine the voltage distribution across capacitors, resistors, etc. or measurement of their self-inductance.

Calibration Equipment

KAL 9510

The KAL 9510 has been designed to fulfill the standard requirements of a PD calibrator. Its wide range (from 1 pace to 50 no), its small injection capacitor, carefully selected features and intuitive user interface makes the KAL 9510 unique.

Key features

  • SCS (IEC 17025) calibration certificate (optional)
  • Ultra wide range from 1 pC up to 50000 pC
  • Selectable pulse polarity
  • Touch screen
  • Programmable frequency or light triggered
  • Hand held, Rechargeable battery
  • No need for different PD calibrators: The wide output range and pulse polarity selection allows a proper calibration at any test object.
  • Correct calibration independent of the test object capacitance: The low injection capacitors used eliminates the test object capacitance influence during calibration.
  • Guarantees the reliability of the partial discharge measuring chain due to the included traceable test certificate and the optional SCS (IEC 17025) calibration certificate

KAL 9511

Partial Discharge calibrator KAL 9511 is a successor to the popular Tettex 9216. KAL 9511 covers a wide range of applications.
It is compact, easy to use and has the same long battery operation capability of Tettex 9216 but offers higher performance by using more than 10x smaller injection Capacitance resulting in a higher SNR (Signal to Noise Ratio).
Its unique high-end design ensures flat response of the calibration pulse in the frequency domain far beyond the IEC-recommended measuring band.
The PD calibrator is easily controlled by two large buttons. Charge values are displayed on a large display together with battery status and light synchronization indication.

Key features

  • SCS (IEC 17025) calibration certificate (optional)
  • Full compliance with IEC 60270:2000+AMD1:2015
  • Selectable pulse polarity
  • Large screen
  • Optimized for routine tests and FAT/SAT
  • Hand held, battery operated
  • Application oriented: Three different calibrator types provide sufficient charge ranges to cover all potential applications.
  • Correct calibration independent of the test object capacitance: Used low injection capacitors eliminates the test object capacitance influence during the calibration.
  • Guarantees the reliability of the partial discharge measuring chain due to the included traceable test certificate and the optional SCS (IEC 17025) calibration certificate.

KAL 9520

The KAL 9520 has been designed to exceed the normal requirements of a PD calibrator. Its wide range (from 100fC to 50nC), its small injection capacitor and its advance features (double pulse, polarity pulse selection, internal and external synchronization, linear range selection, etc) make the KAL 9520 unique.

Key features

  • Any selectable PD level into its Ultra wide range (0.1 pC to 50000 pC)
  • Selectable number of pulses and polarity
  • Touch screen
  • SCS (IEC 17025) calibration certificate (optional)
  • No need for different PD calibrators: the KAL9520 includes all one needs in a regular PD calibrator and adds all one would wish in a _reference€ PD calibrator
  • Inspector and quality department friendly: The KAL 9520 is delivered with our traceable test certificate and as an option, a complete SCS (IEC 17025) test certificate
  • Compact and easy to use: The values and features are selected through an intuitive menu on its touch screen

KAL 9530 RIV Calibrator

The RIV calibrator KAL 9530 has been designed to perform an RIV calibration together with our DDX 9121b PD detector. The unit introduces the calibration signal at the desired frequency to the test object through a dedicated RIV calibration set (cables, probe and clamp).This special connection set eliminates the voltage drop in the measurement cables at RIV measuring frequencies (850 to 1150 kHz) and therefore guarantees a correct calibration signal.

Key features

  • RIV calibration made easy
  • Remotely controlled during calibration by DDX 9121b

R 500 REF / RCZ 500 REF

Reference dividers are used for comparative measurements for the calibration of measuring systems. Reference dividers type RCZ are designed for the calibration of voltage dividers for AC, DC, full and tail chopped impulse voltages. Of course they can be used for normal measurements also.Reference dividers type R are designed for the calibration of voltage dividers for full and front-chopped lightning impulse voltages. Also R dividers can be used for normal measurements.Reference dividers by Haefely meet all requirements of IEC 60060-2 in particular those with respect to measuring accuracy and step response.

Download Haefely Hipotronics High Voltage Construction KIT

Download Haefely Hipotronics Impulse Current Generators

Download Haefely Hipotronics Mobile Test Systems

Download Haefely Hipotronics Cable Test Terminators

  • Electronics
  • Machinery & Manufacturing
Haefely HipotronicsHAEFELY HIPOTRONICS believes that access to safe and reliable power is not just a privilege, but a right. By providing innovative and dependable test and measurement solutions to our customers around the world, we help make this dream a reality. HAEFELY HIPOTRONICS, as a subsidiary of Hubbell Incorporated (HUBB), employs over 260 people worldwide and hold numerous U.S. and international patents. With production areas in both the United States and Switzerland, we bring 110 years of combined history and experience to our work focusing on total quality.
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