SPM-A Synchronizer Install the synchronizer for a fully automatic synchronizing, paralleling, and load-sharing system (see Product Specification 82383). Ramp Generator The Ramp Generator is connected to add linear ramp times of up to 25 seconds. For exponential ramp times up to four seconds, a capacitor can be connected to the EPG control (see Manual 82476).
Automatic Power Transfer and Load Control (APTL) The Automatic Power Transfer and Load Control can provide bumpless paralleling and adjustable speed ramps for loading and unloading the unit controlled by the EPG. The control allows peak shaving, importexport, and low and high limits for generator control. It requires a load sensor
Process and Import/Export Control
The Process and Import/Export Control maintains a certain flow, pressure, power, or other output of engines which drive pumps, compressors, or other mechanical or electrical loads. It can control inlet or exhaust pressure (see Product Specification 02013). Automatic Generator Loading Control (AGLC) Provides for soft loading or unloading of a generator set into or out of a load-sharing system at controlled rates. Tracks load to provide smooth transfer of power when loading or unloading. It requires a load sensor (see Product Specification 82399).
– Suitable for controlling single
two-stage servo-valves without electrical position feedback (types 4WS2EM 6, 4WS2EM 10., 4WS2EM 16., 4WS2EB 10., 4DS1EO 2 and 3DS2EH 10) – Regulator for valve current – Dither signal generator – Push-pull output stage – Enable circuit with relay – Measuring instrument for displaying servo-valve current – Reverse polarity protection for voltage supply
– Optional extensions: • PID-controller1) with controller changeover
• Relay with potential-free changeover contact (28 V / 2 A)
• Voltage regulator ±15 V for supplying the closed-loop control electronics 1) The D-components act on the actual value only.