OMICRON electronics

Transient Network Simulation

Typical commissioning and routine testing with steady state signals is sufficient for most applications. However, many modern digital relays require transient simulation for proper verification and assessment. OMICRON’s solutions make it easy to simulate true conditions to correctly test applications like transient ground fault, new power swing detection algorithms, or other dynamic system events. In addition, applications like R&D or acceptance testing require studying the reaction of relays exposed to transient effects.

OMICRON’s easy-to-use transient network simulation modules NetSim and Transient Ground Fault have been designed to meet such testing demands in an optimized manner. NetSim even covers signal distortion resulting from transient CT saturation. Furthermore, if the transients are taken from fault recorders or calculated from EMTP, ATP or other transient network simulation tools OMICRON's Advanced TransPlay and TransPlay test modules are the ideal tools to evaluate the reaction of protection systems to such simulations.


Learn more about OMICRON's solutions in the area of Transient Network Simulation
CMC 256plus
CMC 256plus - Protection Relay Test Set and Universal Calibrator

CMC 256plus - Protection Relay Test Set and Universal Calibrator

OMICRON’s CMC 256plus is not only a test system, but also a universal calibrator with high accuracy. It is equipped with four voltage outputs (0 … 300 V) and six current outputs (0 ... 12.5 A or 3 x 25 A). The CMC 256plus is ideal for testing all generations and types of protection relays. It defines the state of the art for testing in IEC 61850 environments, supporting GOOSE messages and IEC 61850-9-2 LE Sampled Values.

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CMC 356
CMC 356 – Protection Relay Test Set and Commissioning Tool

CMC 356 – Protection Relay Test Set and Commissioning Tool

OMICRON's CMC 356 is a universal test set and commissioning tool. It comes with extremely powerful current amplifiers rated 6-phase, 0 - 32A each (3 x 64 A), with more than 400 VA per channel. This makes the CMC 356 the perfect tool for testing all generations of relays – from electro-mechanical relays to all generations of numerical relays including IEC 61850 IEDs. Commissioning engineers choose this device due to its unique versatility that meets the diverse demands of commissioning modern substations.

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CMC 156
CMC 156 - Lightweight and high-precision

CMC 156 - Lightweight and high-precision

Thanks to its compact design and low weight of just 9.8 kg (22 lbs) OMICRON's CMC 156 is the perfect advanced three-phase test device for all tasks that require maximum portability. Providing three voltage (0 ... 125 V) and three current (0 ... 12.5 A) outputs, it is designed for testing numerical protection relays in modern substations and power plants, or CT/VT-connected meters. If more voltage, more current, more power or additional channels are required, it can be supplemented with external amplifiers.

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NetSim – Network simulation software
NetSim – Network simulation software

NetSim – Network simulation software

The NetSim test module allows for power system network simulations and testing with transient signals. It is tailored to the particular needs of commissioning engineers and routine testers. Standard network configurations with a simple parameter setup provide instant "click and run" simulations with signal output via the CMC test sets.

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Advanced TransPlay
Advanced TransPlay – Software module

Advanced TransPlay – Software module

Advanced TransPlay is a universal tool for using the CMC system to test with transient signals.

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Transient Ground Fault
Transient Ground Fault  – Software module

Transient Ground Fault – Software module

The Transient Ground Fault test module tests the directional decision of transient ground fault relays in grids with isolated or compensated grounding. It produces the transient voltages and current during a ground fault from a fault simulation with pre-defined network model.

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OMICRON Test Universe Software
OMICRON Test Universe Software

OMICRON Test Universe Software

The OMICRON Test Universe Software sets a new standard for versatility and easy use for the testing of protection relays as well as energy meters, transducers and PQ analyzers. The software is specifically designed to control the CMC test sets. Various software packages contain a selection of function-oriented test modules. Additional software modules for special applications complete the range.

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