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Peak 150 Steam Turbine Control

 
For over 25 years, Woodward’s Peak 150 steam turbine control has been the chosen solution for a low-cost, compact, digital control for single-valve or single-valve rack steam turbines. With unparalleled performance and service support, the Peak 150 now takes the next step into steam turbine control with the Peak200—including additions of OCP (operator control panel), trip and alarm logging, expanded I/O, and advanced turbine tuning and control. Learn more about the Peak200.

The Peak 150 digital control is designed to control a steam turbine driving a mechanical load. It provides tight control of speed (NEMA D) and includes an input for a 4-20 mA remote speed control signal, which can be used for a process-generated input to control the speed setting. Other features include dual speed control dynamics and overspeed trip test capabilities.

The Peak 150 is housed in a watertight and dust tight enclosure. A corrosion-resistant enclosure designed to meet NEMA 4X requirements is also available.

 

Inputs

Magnetic Pickup Inputs (2):

  • Two identical inputs, high-signal-selected
  • Minimum input voltage 1 Vrms, minimum frequency 200 Hz, maximum frequency 15 kHz

Analog Input (1):

  • Remote Speed Setting signal (4–20 mA or 1–5 Vdc, internal jumper selectable)

Discrete Inputs (8)

  • Remote (isolated, 5–28 Vdc)

 Options:

  • Raise speed
  • Lower speed
  • Emergency stop
  • Alarm reset
  • Remote speed set enable
  • Start
  • Idle/minimum governor
  • Select high dynamics or overspeed test

Outputs

Analog Outputs (2):

  • Actual speed output (scalable, 4–20/0–1 mA)
  • Configurable readout (scalable, 4–20/0–1 mA)

Options:

  • Actual speed
  • Speed setpoint
  • Actuator output
  • Remote speed setpoint
  • Valve ramp value

Actuator Output (1)

  • 4–20 or 0–200 mA (internal jumper selectable)

Relay Outputs (4)

Keypad Switches (6) Options

  • Raise speed
  • Lower speed
  • Emergency trip
  • Start
  • Overspeed test
  • Alarm reset

LED Indicators (6)

  • Remote speed setting signal status
  • Shutdown status
  • MPU #1 status
  • MPU #2 status
  • CPU status
  • Overspeed test status

Power Input

  • Models are available with these input power requirements:
  • 24 Vdc
  • 90–150 Vdc or 88–132 Vac, 47–63 Hz

Maximum power consumption, all models: 38 W

Operating Ambient Temperature

  • –25 to +65 °C (–13 to +149 °F)

Storage Ambient Temperature

  • –40 to +85 °C (–40 to +185 °F)

Humidity

  • Designed to meet US MIL-STD-810D, Method 507.2, Procedure II, induced, non-hazardous, cycle 5 (fifteen 24-hour cycles, varying 19–75% humidity, over 33–63 °C)

Vibration

  • US MIL-STD-167, Type 1

Shock

  • US MIL-STD-810C, Method 516.2, Procedure 1

North American Regulatory Compliance

  • UL and cUL listed for Class I, Division 2, Groups A, B, C, & D

Dimensions

  • Width 483 mm (19 inches)
  • Height 310 mm (12.2 inches)
  • Depth 105 mm (4.1 inches)
 

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