SPM-D11 Series


  • Phase match or slip frequency synchronization with voltage matching
  • Two-phase sensing of generator and bus
  • Selectable operating modes like SPM-A (Run, Check, Permissive, and OFF)
  • Synchro-check possible
  • Synchronization time monitoring
  • Load/var sharing

Mains parallel operation

  • Real power control
  • True RMS power calculation
  • Generator real power setpoint by parameter (2 values) or via 0/4 to 20 mA
  • Soft unloading
  • Power factor control
  • Power factor setpoint by parameter
  • Power limit value with relay output

Isolated operation

  • Frequency control
  • Voltage control

Dead bus operation

  • Closing of breaker on demand

Protection                  ANSI #

  • Single-phase CT sensing for generator
  • Two-phase sensing of generator voltage
  • Generator over-/undervoltage (59/27)
  • Generator over-/underfrequency (81O/U)
  • Generator reverse/reduced power (32R/F)
  • Generator overload (32)

Control outputs

LSXR Package

  • Analog bias outputs for voltage and speed freely configurable for all levels (+/-1 V, +/3 V, 0 to 5 V, 0.5 to 4.5 V, +/-10 V +/-5 V, 0 to 20 mA, +/-20 mA, and much more configurable)
  • Speed bias output configurable as 500 Hz PWM output and adjustable voltage level
  • Two raise/lower outputs configurable for either speed or voltage

Operating Features

  • Two-line Liquid Crystal display for operation and alarm indication
  • Synchroscope
  • Indication of control activity and breaker state
  • Multi-level password protection for parameters
  • Configuration directly or via PC
  • English or German language adjustable