Woodward EPG 524 Installation And Troubleshooting Manual
Epg electrically powered governor without position feedback
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Also See for EPG 524:
- Installation and operation manual (36 pages) ,
- Installation and control choices (12 pages) ,
- Product manual (34 pages)
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Summary of Contents for Woodward EPG 524
- Page 1 Installation and Troubleshooting Manual EPG Electrically Powered Governor Models 1712/1724 and 512/524 without Position Feedback Manual 82329 (Revision J)
- Page 2 Revisions—Text changes are indicated by a black line alongside the text. Woodward Governor Company reserves the right to update any portion of this publication at any time. Information provided by Woodward Governor Company is believed to be correct and reliable. However, no responsibility is assumed by Woodward Governor Company unless otherwise expressly undertaken.
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Page 3: Table Of Contents
..............12 HAPTER ERVICE PTIONS Product Service Options..................12 Returning Equipment for Repair................13 Replacement Parts ....................14 How to Contact Woodward...................14 Engineering Services ...................15 Technical Assistance....................16 ..................17 ECLARATIONS Illustrations and Tables Figure 1-1a. EPG Control and Actuators ...............2 Figure 1-1b. EPG Control Faceplate ..............3 Figure 1-2. -
Page 4: Electrostatic Discharge Awareness
PCB from the control cabinet, place it in the antistatic protective bag. CAUTION—ELECTROSTATIC DISCHARGE To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual 82715, Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, and Modules. Woodward... -
Page 5: Chapter 1. General Information
Manual 82329 EPG Electrically Powered Governor Chapter 1. General Information Introduction Each Woodward Electrically Powered Governor (EPG) system includes three basic parts: • A magnetic pickup (MPU) which senses engine speed from an engine- driven gear. • A speed control which receives the speed signal from the MPU, compares it to a reference signal, and generates a control signal which the control sends to the actuator. -
Page 6: Figure 1-1A. Epg Control And Actuators
EPG Electrically Powered Governor Manual 82329 512/524 Actuator 1712/1724 Actuator Control MOUNTING SCREWS 0.250-20 (inch) thread. Minimum mounting screw engagement should be 9.5 mm (0.375 inch). Torque screws to 9–11 N·m (80–100 lb-in). Figure 1-1a. EPG Control and Actuators Woodward... -
Page 7: Figure 1-1B. Epg Control Faceplate
Manual 82329 EPG Electrically Powered Governor Figure 1-1b. EPG Control Faceplate Woodward... -
Page 8: Figure 1-2. Wiring Diagram (Isochronous Epg)
EPG Electrically Powered Governor Manual 82329 Figure 1-2. Wiring Diagram (Isochronous EPG) Figure 1-3. Wiring Diagram (EPG with Droop) Figure 1-4. Wiring Diagram (EPG Models 8290-191, -192) Woodward... - Page 9 23 m (75 ft) Wire Harness Part Numbers Harness Harness Lengths Part Number Actuator Battery 8924-621 10 ft (3 m) 15 ft (4.6 m) 15 ft (4.6 m) 8924-620 10 ft (3 m) 25 ft (7.6 m) 25 ft (7.6 m) Woodward...
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Page 10: Chapter 2. Installation And Troubleshooting
MPU at the closest point. Electrical Connections Connect the system as shown in the appropriate wiring diagram (Figures 1-2, 1-3, 1-4). See the appropriate manual for wiring of accessories. Connect the speed control to system ground. Woodward... -
Page 11: Figure 2-1. Actuator Linkages
Manual 82329 EPG Electrically Powered Governor Figure 2-1. Actuator Linkages Woodward... -
Page 12: Installation Check And Troubleshooting
Turn the governor power on: (Do not start the engine or turbine.) Fuse OK? Actuator shaft settles in minimum fuel position? Battery Voltage: 10 to 16 Vdc for model 512, 1712? 20 to 32 Vdc for model 524, 1724? Woodward... - Page 13 16. Adjust transient response. Simulate a transient by manually bumping the linkage. To decrease settling time (may increase ringing) after a transient, turn the GAIN pot clockwise slightly, then turn the STABILITY pot as required to eliminate oscillation and to obtain desired response. Repeat if necessary. Woodward...
- Page 14 The generator set is a 60 Hz unit that will be paralleled with an infinite bus. If the desired droop is 5% and the generator set can be run at 100% load, the speed at which the generator is run (in step 2) would be 63 Hz. Woodward...
- Page 15 Synchronize the generator to, and parallel it with, the bus. Return the RATED SPEED pot to the mark made in step 3. Turn the DROOP pot counterclockwise (decreasing droop) until load is 100% (or the desired % of load). Woodward...
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Page 16: Chapter 3. Service Options
Product Service Options The following factory options are available for servicing Woodward equipment, based on the standard Woodward Product and Service Warranty (5-01-1205) that is in effect at the time the product is purchased from Woodward or the service is performed: •... -
Page 17: Returning Equipment For Repair
Returning Equipment for Repair If a control (or any part of an electronic control) is to be returned to Woodward for repair, please contact Woodward in advance to obtain a Return Authorization Number. When shipping the item(s), attach a tag with the following information: •... -
Page 18: Replacement Parts
To expedite the repair process, contact Woodward in advance to obtain a Return Authorization Number, and arrange for issue of a purchase order for the item(s) to be repaired. No work can be started until a purchase order is received. -
Page 19: Engineering Services
Manual 82329 EPG Electrically Powered Governor Engineering Services Woodward Industrial Controls Engineering Services offers the following after- sales support for Woodward products. For these services, you can contact us by telephone, by email, or through the Woodward website. • Technical Support •... -
Page 20: Technical Assistance
Type of Fuel (gas, gaseous, steam, etc) Rating Application Control/Governor Information Please list all Woodward governors, actuators, and electronic controls in your system: Woodward Part Number and Revision Letter Control Description or Governor Type Serial Number Woodward Part Number and Revision Letter... -
Page 21: Declarations
Declarations... - Page 22 Phone +1 (970) 482-5811 • Fax +1 (970) 498-3058 Email and Website—www.woodward.com Woodward has company-owned plants, subsidiaries, and branches, as well as authorized distributors and other authorized service and sales facilities throughout the world. Complete address / phone / fax / email information for all locations is available on our website.