SMC PTE-50-CE Pro Single Phase Relay Tester
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- Second voltage (Pro): 30 VA, 0-140V, 0-359.9º, 40-70 Hz
- 1-ms resolution digital programmable chronometer
- External synch input
- RS-232 communications port and BUS-PTE
- Multi-mode trip detection
- Software-based adjustment and calibration
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PTE-50-CE Pro Single Phase Relay Tester
Any test set in the PTE range can be upgraded with an additional voltage source, the PTE-FCN option. This electronic, independent source can be adjusted in amplitude, frequency, and phase angle. It comes installed as standard with the 'Pro' versions of the PTE sets, but it can also be purchased separately and mounted by the user inside the unit's lid in a few minutes. The PTE-FCN will dramatically increase the relay types that can be tested, usually avoiding unnecessary investment in three-phase equipment. The PTE-50-CE Pro, for example, is an unbeatable single-phase test set for directional, frequency, synchronisation and generator protection relays.
This electronic, independent source can be adjusted in amplitude, frequency, and phase angle. It comes installed as standard with the ‘Pro’ versions of the PTE sets, but it can also be purchased separately and mounted by the user inside the unit’s lid in a few minutes.
The PTE-FCN will dramatically increase the relay types that can be tested, usually avoiding unnecessary investment in three-phase equipment. The PTE-50-CE Pro, for example, is an unbeatable single-phase test set for directional, frequency, synchronisation and generator protection relays.
The Electronic PTE Test Equipment Range
The electronic PTE test equipment range has been designed for maximum efficiency and simplicity when testing protective relays in the field. These universal, rugged and powerful units provide the required accuracy and performance to test any electro-mechanical, static, or numerical relay. Output waveforms are digitally synthesized, and completely isolated from the mains supply. The signal is then electronically amplified to attain up to 50 A or 300 V with an effective power of 100 VA
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Flexibility
The range includes four products: the PTE-300-V, with three output channels, and the smaller PTE- 100-V, with one channel only, are mainly designed for voltage-related protections like generator, motor and synchronizing relays. The other two (PTE-50-CET and the one-channel version PTE-50-CE) are specially powerful in current-based testing.
Each output channel in these units can be switched between current and voltage injection by just pressing a button. Amplitude and phase angle can also be adjusted independently in each channel. One of the biggest advantages in the PTE sets is their ability to communicate to each other, in order to use all their output channels simultaneously. You can purchase several simple units for the most frequent testing and, when time arrives for more demanding tasks, interconnect two or three according to the application’s requirements. This is a cost-effective solution when you need more than one test set.
Furthermore, the PTE units can also be used in combination with equipment from other manufacturers, thanks to their built-in external synchronization input.
Need computer-generated reports? Not only does the PTE range feature the best manual control board in the market, but also the possibility to operate automatically under the control of optional software from a standard computer. This capability is especially useful when a great number of different protections must be tested periodically. Relay types and test routines are stored in a custom-defined database, so that you only need to double-click on each installed relay’s entry to perform the complete test process and to save and produce a report in a fully unattended manner. The automatic testing software can also control combinations of several PTE units as if it was a single device.
Power
Behind the 100-VA output power in the PTE channels, you will find a generous duty cycle and a great number of test resources. For example, several channels can be controlled from a single button, even if they belong to various interconnected units, thanks to the master/slave function. And you can refer the phase angle of each channel or the base frequency of the harmonics function to an incoming signal from an external generator, or setup ROCOF frequency ramps in less than one minute without a computer.
The PTEs feature an idle power mode to save energy and keep the amplifiers cool when testing low impedance relays. Each output channel provides an independent neutral, which enables the interconnection of two or more channels in series or in parallel with absolute freedom. The optional PTE-SER plug allows the injection of up to 50A with a compliance voltage of up to 60V in the PTE-50-CET.
Applications
- Over / undervoltage relays / Distance / impedance / directional relays
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