Model 1692 Integrated Recording Unit

The Model 1692 Integrated Recording Unit records both transient fault and long term disturbance events with instrument class accuracy, adding a new dimension to power system recording instruments.

Performance

 The Model 1692 features a 16-bit A/D converter per channel and advanced digital filtering techniques to provide outstanding recording fidelity.  An adaptive anti-aliasing filter rejects out-of-band signals to further ensure a high degree of accuracy.  All input channels are DC coupled so that transducers may be monitored and offset currents properly recorded.

Operation

System functions, including virtually all

triggering, storage, control and communications

are directed by the instrument's Pentium

processor, providing optimum flexibility.  This

software control allows the user to take full

advantage of the powerful facilities.  An

external GPS clock may be used to implement

synchronous sampling with the degree of

accuracy necessary for phasor computation and recording for use in state estimation an protection and control functions.  In addition the data can be used in dynamic stability monitoring applications, load modeling and system model verification.

Configuration

The Model 1692 IRU is available in several configuration options offering up to 32 analog and 64 digital input channels in a single cabinet and a variety of memory options to accommodate the most demanding data acquisition requirements.  Larger configurations up to 256 analog and 512 digital channels are accomplished by using several fiber optic coupled cabinets in a master/slave configuration.  For less demanding applications a 12-bit input channel with reduced filtering is provided.