Description

9907-167 505E series 505E Digital Governer

Product Description

The 9907-167 unit is a part of the Woodward 505E series of digital control devices. These devices are a part of the 505E lineup which was manufactured by Woodward Inc. This is one of the oldest independent manufacturers of turbine control systems in America. The 505E series is built for devices such as industrial-sized steam turbines, small unit turbogenerators, or utility turboexpander models. The 505E line is designed overall for the single extraction and/or the admission of steam turbines. It makes the steam turbine operational by using a pair of actuators to drive the inlet steam valves.

This unit is listed under the numerical designation of 9907-167. It is outfitted with a 32-bit microprocessor in order to control the turbines. The physical body of the 9907-167 unit consists of a series of printed circuit board units, housed in an enclosure that is able to securely be mounted within a control panel system.

The 9907-167 model can be outfitted with a NEMA 4X grade protective casing. This casing is optional, however, it is able to protect the electromechanical components effectively from any permanent damage, or from any invasive particles. The case is both watertight and dust-tight, suitable for indoor and outdoor conditions. The 9907-167 unit’s ambient temperature range, without the protective frame, is -25 to 65 C, but with the frame attached, it can only withstand up to 55 C.

9907-167

Product parameter

Certifications	CE,UL, and cUL
Dimensions	14L x 11H x 4D (inches)
Enclosure Type	NEMA 4
Features	Program upload/download capability
Input Voltage	18–32 Vdc
Keypad/Display	30 Analog Keys
Manufacturer	Woodward
Operating Temperature	-13C to +149F
Output Type	2 Actuator Outputs, 8 Relay Outputs, 6 Programmable Current Outputs
Resolution	2 Rows of 12 Characters
Standards	Shock Protection meets US MIL-STD-810C, method 516.2- 1, procedure 1B
Weight	Less than 10lbs. before shipping

Application field

Compact design

505E Series 505E digital speed regulator is a microprocessor-based digital speed regulator specially developed and produced by WOODWARD Company in the United States for control steam turbines. Its main application areas include the control of industrial steam turbines, small grid turbine generators or turbine expanders.

Specifically, the 505E digital governor is suitable for single extraction and/or suction steam turbines. Its features include high control accuracy, good stability, easy operation, and can be configured according to the characteristics of each turbine, parameters and application. Configuration can be performed directly on the WOODWARD 505E panel.

In addition, the 505E digital governor is field programmable, allowing field engineers to program the controller for specific power generation or mechanical drag application requirements. This means that it can be customized for different control situations to suit various application needs.

In terms of functions, the 505E digital governor can achieve speed/frequency control, turbine or generator load control/limitation, turbine inlet pressure control/limitation, turbine exhaust pressure control/limitation, power input/output control/limitation, load distribution between units (with the help of DSLC controller), and suction and/or extraction pressure head control/limitation. These features make the 505E digital governor highly flexible and adaptable when controlling turbine operation.

In short, 505E series 505E digital governor has been widely used in power, petroleum, chemical, metallurgy and other industries, providing efficient and stable control solutions for steam turbines of various structural sizes.

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