Testing Solutions for Measurement Equipment
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Testing Solutions for Measurement Equipment - 1

Testing Solutions for Measurement Equipment Power Quality Measurement Devices • Electricity Meters Measuring Transducers • Equipment Calibratio

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The Challenge The measurement of electrical quantities in a power system is one of the central tasks of every plant operator. For this purpose, current and voltage transformers supply the primary current and voltage values to measuring transducers, electricity meters and other measuring equipment. These measuring devices then forward the measured values by equivalent DC signals or via communication protocols to the data acquisition system. The measurement results provide the basis for system operation, for measuring the energy consumption for accounting purposes and also for more extensive...

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The Solution When using OMICRON test equipment, the combination of portable, reliable and precise hardware and powerful software guarantees that the best possible solution is available for the most challenging testing tasks. CMC 256plus The CMC 256plus was developed as a high-precision multiphase signal source and – together with the flexible operating software – sets the standard for testing and calibrating measuring instruments in electrical power systems. The unit can also be used for testing all types of protection equipment and therefore, covers the complete range of secondary...

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Testing Power Quality Measurement Devices The increasing consumption of energy, the continuous extension of power grids and structural changes in power generation result in a higher susceptibility of the power systems to malfunctions or even large-scale failures. Additionally, some consumers can cause harmonics in the power system. Hence, signal quality has become an important issue for suppliers and customers because of the increasing sensitivity of electronic equipment and the high costs resulting from the loss of supply. For this reason, the requirement for comprehensive power system...

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Testing Electricity Meters In the field of electricity meter testing, OMICRON set a new standard many years ago. Tests can be performed without reference meters, because the voltage and current sources of the test set are so precise, that the testing device Meter itself becomes the working reference. The substantially 3xV 3xI simplified test setup makes testing on-site much more convenient. Meanwhile this solution has become widely accepted and has proven to CMC 256plus – Class 0.05 % standard be reliable and efficient. The high stability of the voltage and current sources has been verified...

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Testing Measuring Transducers It is also possible to test transducers of more recent design types equipped with only a data interface or signal transmission lines with remote indication. For those cases, the measured values of the transducers are entered manually by the tester into the test point table of the software. Again, the errors are calculated and assessed automatically on the basis of the measurement results. In high and medium voltage networks, measuring transducers form the basis of the system for recording electrical parameters such as voltage, current, frequency, phase angle,...

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Testing Phasor Measurement Units When used in IEC 61850 environments, OMICRON test sets can generate Sampled Values to stimulate the operation of IEDs (Intelligent Electronic Devices) such as protective relays or electricity meters. Additionally, the CMC can also produce and process GOOSE messages. Conventional protection devices are designed to protect individual assets such as generators, transformers, transmission lines or busbars, for which locally measured values are usually sufficient. In contrast, network control systems with a system-wide view of the processes within the power...

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OMICRON is an international company serving the electrical power industry with innovative testing and diagnostic solutions. The application of OMICRON products allows users to assess the condition of the primary and secondary equipment on their systems with complete confidence. Services offered in the area of consulting, commissioning, testing, diagnosis and training make the product range complete. Customers in more than 140 countries rely on the company’s ability to supply leading edge technology of excellent quality. Service centers on all continents provide a broad base of knowledge and...

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