Combination Wave Generators - Transient Surge Test Systems

General Testing Information 

Combination wave generators provide the necessary waveform to simulate over-voltages from switching and lightning transients. There are many standards fall under the category of surge testing for immunity, the most most common include EN/IEC 61000-4-5 and ANSI C62.41. Surge waveforms are generally defined by their voltage, front time, and time to half value. The voltage levels, source impedance, and other factors will be determined by the associated test level and standard. Below you will find a video walking through the setup and capabilities of the Teseq NSG 3060.

Common Surges 

1. 1.2 μs x 50 μs Pulses
2. 10 μs x 700 μs Telecom
3. 2 μs x 10 μs Telcordia
4. Voltage Ramp Surges

General System Information

Given the wide range of manufacturer's there is a variety of different equipment capabilities and characteristics making them unique. Most systems do however include a coupler, front panel, and other basic components. For most equipment the built in coupling decoupling network (CDN) provides single phase capabilities, usually not exceeding 300 Volts/32 Amps (EM Test NX5-32). Usually additional external couplers are available for a variety of different type of lines and power requirements. The majority of systems also include a user interface that includes programmed routines and standards allowing for effective testing.

Combination Wave Systems

Surges generators designed around around the IEC 61000-4-5 standard involve both current and voltage surges, hence the combination wave. This is key key component to conducted immunity testing. Many systems offer burst to IEC 61000-4-4 included in the same system platform. Often times the most common tested telecom pulse, 10μs x 700μs can be added as a module or board to existing system enhancing testing capabilities. This customization makes how the systems are configured crucial to meeting testing needs. This type of interference is often tested to by putting the waveform on several different degrees on the sine wave, making communication with the CDN crucial. 

Common 6kV Rental Systems

Our rental inventory of conducted immunity test systems, including combination wave capabilities, offer a wide range of testing capabilities. They are updated all compliant to the latest versions of IEC 61000-4-4 and IEC 61000-4-5. The systems also all have current ISO 17025 accredited calibrations and often come with a laptop with software installed arriving ready for testing to begin.

EM Test - NX7

• 7kV Surge, Ringwave, & 5.5kV EFT/Burst 
• Built-in single phase CDN 220 Volts/16Amps
• Laptop, Software, and  License Included with Rental
• Rent FP-COMB 32 3-Phase 480V/32Amp AC/DC CDN
• Variety of CDNs Available - Ethernet IO/Datalines
• Rent Telecom 10x700us Capable System

 

Haefely - Axos 8

• 6kV Surge,  5kV EFT/Burst, & 7kV Ringwave
• Front Panel Attenuated Voltage & Current Monitoring 
• Built In 264v/16A AC 220V/10A DC Single Phase Coupler
• Rent FP-COMB 32 3-Phase 480V/32Amp AC/DC CDN
• Compact & Easy to use - No Software or License Required
• Dips Transformer DIP 116 Available IEC 61000-4-11 

Teseq - NSG 3060

• 6.6kV Surge & 100kHz Ring Wave, EFT 4.8kV
• Variety of External Automatic & Manual CDNs 
• Rented with the CDN 3061 270V/16amps AC/DC
• CDNs - Single/Three phase up to 620V/100A
• Both IEC and ANSI coupling methods
• Current ISO 17025 Accredited Calibration 

 

Rent Coupling Decoupling Networks

Coupling Networks are designed to put different pulses onto a variety of cabling including power mains lines. The power mains are the most commonly tested, given that is where this type of interference most often occurs. The CDNs are generally broken out by single and three phase capabilities. Generally, most surge platforms offer a built in coupler designed for power mains capable of around 250 volts 16 amps AC. Coupling of surge pulses onto AC lines, given line synchronization, requires communication with the associated generator, ensuring the pulse is on the correct position. Our couplers can be rented individually to supplement  existing testing capabilities and come with current ISO 17025 accredited calibrations. 

Surge Power Mains Couplers

Teseq 3083-S100

• 620 Voltage/ 100Amps 3-Phase Surge CDN
• Complies with IEC / EN 61000-4-5 and ANSI C62.45
• Meets IEC 61000-4-5 Coupling Requirements 
• Designed for the Teseq NSG 3060/NSG 3040 Immunity Platforms
• Manual CDN - Correct Connection Required

EM Test - Coupling NX7

• Rental Coupler Designed for NX5 & NX7 Platforms
• Automatic CDN - Up to 480V/32amps 3-phase
• Designed for Surge & EFT to IEC 61000-4-4 & IEC 61000-4-5
• Only for use with EM Test NX5 & EM Test NX7 Immunity Platforms
• Laptop with Control Software Included with System Rentals

 

Haefely - FP-COMB 32

• 3-Phase Coupler 480V/32amps AC/DC 
• For use with Axos 5 & Axos 8 Immunity Systems
• Meets IEC 61000-4-4 Ed.3.0 & IEC 61000-4-5
• Controlled via Front Panel of Axos Series
• Compact & Easy to use with Generator 

Data Line Coupling Decoupling Networks

Application of surges and other transient EMI onto data lines fall under a variety of different test standards including IEC 61000-4-5. The configuration of the type of cable or line will determine the coupler that needs to be used. We offer rentals of a variety of different networks, individually and with the associated generators. The correct CDN will be required to correctly apply surges to associated data cables. It is also advisable that the corresponding generator be used with the correct CDN ensuring capability. 

EM Test - CNI 508N2

• Coupling Unshielded & Shielded lines with up to 4 pairs
• Surge test to 3kV (1.2/50us) & Burst Test to 4kV (5/50ns)
• Designed for use with EM Test NX5 & EM Test NX7
• Residual voltage max. 50V at 3kV Surge 
• Compatible to PoE and PoE+ requirements

 

Teseq - HSS-2

• Max Current/Voltage 2kV/50Amps
• Coupling Mode: Common Mode 1,2, or 4 pairs
• Compliant Fig. 11 of IEC 61000-4-5/ Ed.3/77B/674A/CD:2012-05
•  Designed for Unshielded Symmetrical High Speed Lines 
• Commonly used with NSG 3060 & NSG 3040

InCompliance - New Edition of IEC 61000-4-5 Published

Evaluation Engineering - Lightning Surge Immunity Testing

Teseq - Surge Generators 

Ametek CTS - Transient generators (Surge Burst)