ControlHardware

The EX2100e Regulator system is available in several configurations to provide control

flexibility for Thyristor and Regulator systems. For small Regulator systems, two

pulse-width modulated (PWM) power converter modules use Insulated Gate Bipolar

Transistors (IGBT) to provide up to 35 A or 120 A nominal output. These systems can

support the following applications:

• Saturable Current Transformers / Power Potential Transformers (SCT/PPT) regulator

• Brushless exciter regulator

• Directcurrent (dc) rotating exciter regulator

In the SCT/PPT regulator and dc rotating exciter regulator applications, the EX2100e

Regulator system can de-sensitize the effect of the exciter time constant. It incorporates

direct measurement of the generator field voltage and field current to enhance speed of

response to system transients.

The architecture is a single control with a single Power Control Module (PCM) or dual

control with dual PCM, including a customer interface sub-system, optional diagnostic

local operator interface (touchscreen), optional control operator interface (COI) remote

touchscreen interface, control power input module, and PCM. The PCM consists of a

bridge interface sub-system, power bridge, optional ac and dc filter networks, and

alternating current (ac) and/or dc isolation devices. For expanded input and output (I/O)

capability, either VersaMax or Mark VIe control IONet I/O modules may be added.