Summary of Contents for Woodward Large Electric Sonic Valve II
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Released Product Manual 35076 (Rev C, 1/2019) Original Instructions Large Electric Sonic Valve II (LESV II) 2-inch, 3-inch, 4-inch, 6-inch Installation and Operation Manual...
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Revisions— A bold, black line alongside the text identifies changes in this publication since the last revision. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, no responsibility is assumed by Woodward unless otherwise expressly undertaken.
NFORMATION Introduction ..............................9 2. D ......................23 HAPTER ESCRIPTION Actuator: Woodward LELA (Large Electrical Linear Actuator) ..............23 Brushless DC Motor ............................ 23 Resolver Position Feedback Sensors ......................23 Soft Stop Spring ............................24 ...
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Product Service Options ..........................56 Returning Equipment for Repair ......................... 57 Replacement Parts ............................58 Engineering Services ..........................58 Contacting Woodward’s Support Organization ................... 58 Technical Assistance ..........................59 ........................60 EVISION ISTORY ..........................61 ...
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Table 6-3. Proof Test Coverage ........................52 21, 2020 Table 7-1. SIL Certified LESVs ........................53 Table 7-2. Failure Rates according to IEC61508 in FIT ................54 Table 7-3. Suggested Proof Test ........................ 55 Woodward...
Be prepared to make an emergency shutdown when starting the engine, turbine, or other type of prime mover, to protect against runaway or overspeed with possible personal injury, loss of life, or property damage. Start-up Woodward...
Do not touch the components or conductors on a printed circuit board with your hands or with conductive devices. To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual , Guide for Handling and Protection of Electronic Controls, 82715 Printed Circuit Boards, and Modules.
With position sensor: Ex db e nA IIC T3 Gc IECEx (LELA2): Certified for use in explosive atmospheres per Certificate: IECEx ETL 18.0002X Without Position Sensor: Ex ec IIC T3 Gc With Position Sensor: Ex db ec IIC T3 Gc Woodward...
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SIL Certificate Product Certificate Number: WOO 1707039 C002 Special Conditions for Safe Use: LESV II with LELA actuator is only suitable for use with the Woodward DVP1200 or DVP5000. LESV II with LELA2 actuator is to be powered by the Woodward DVP12000, suitably certified for the intended area of use.
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EXPLOSION HAZARD – Do not remove covers or connect/disconnect electrical connectors unless power has been switched off or the area is non-hazardous. Substitution of components may impair suitability for Class I, Division 2, or Zone 2. Woodward...
This valve is intended to operate only with specific models of the Woodward Digital Valve Positioner (DVP). Refer to manual B26773 for specifications and additional information on the operation and configuration of the DVP5000 and DVP12000 (DVP5K and DVP12K).
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If this is expected in the application, please contact Woodward for additional information. Stated current values are based on minimum DVP input voltage for full dynamic performance.
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Released Manual 35076 LESV II Recovery Capability: 1.06 P1/P2 Critical Choking Pressure Ratio * * contact Woodward for additional details Seat Leakage: Class IV per ANSI/FCI 70-2 Nominal Cg Curve, Cg Accuracy: Woodward...
Released Manual 35076 LESV II Figure 1-6. Connector Pin-outs – DVP5K with 2-Inch LESV II Note: Connector key orientations shown above are reference only. Refer to product outline drawing for product or part number specific key orientations. Woodward...
Note: Connector key orientations shown above are reference only. Refer to product outline drawing for product or part number specific key orientations. Table 1-2. SIL2 Sensor Wiring Connections Terminal Function Signal Output 1 Signal Ground 1 Do Not Connect Do Not Connect Supply 24 Vdc Supply Ground 7/PE Housing/Potential Equalization Woodward...
Electronically, the SIL2 sensor is connected only to the customer control system and is not connected to the Woodward DVP. The SIL2 sensor serves as a position indicator for valve position that is independent of the DVP, and is used primarily to accurately control fuel flow during turbine light off.
The metering elements of this valve are a contoured plug and a hardened seat. The plug is contoured to provide various Cg versus position flow characteristics from 0% to 100% stroke. Please contact Woodward for available trim sizes and Cg profiles. LESV II Pressure Ratio Operational Limitations...
Temperature ratings are included in the specification section of this manual. External fire protection is not provided in the scope of this product. It is the responsibility of the user to satisfy any applicable requirements for their system. Woodward...
For 2-inch LESV II grease ports, refer to Figure 3-1. For both ports indicated, leave a minimum of 12 inches (30.48 cm) clearance for maintenance access. See Manual 35134 for additional lubrication details. Figure 3-1. Grease Port Locations 2-Inch LESV II Woodward...
While a single lifting eye is capable of supporting the weight of the LESV II, when lifting the valve from the vertical position, Woodward recommends lifting the LESV II by the two lifting eyes shown in Figure 3-3. The maximum lifting strap angle shown in Figure 3-3 is to prevent the lifting eyes and straps from rubbing against the motor housing.
Manual 35076 LESV II When lifting the valve from the horizontal position, Woodward recommends lifting the LESV II as shown in Figure 3-4. It is permissible to lift the valve section by looping a choke strap around the valve housing.
The diverging sleeve is held in place by a series of screws that are for shipping purposes only. These screws are not sufficient to support the sleeve during functional testing (i.e. trip test or pressure testing). Refer to the following Piping Installation section for proper bolting and gasket guidelines. Woodward...
Mechanical devices such as hydraulic or mechanical jacks, pulleys, chain-falls, or similar equipment should never be used to force the piping system to align with the valve flanges. Woodward...
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See Figure 3-7. It is permissible to leave the valve body un-insulated. It is also permissible to leave the valve body un-insulated. The Valve discharge flange must not exceed 371°C (700°F) when the valve is closed and the downstream circuit is being purged. Woodward...
The actuator and controller perform an automatic rigging procedure. When the actuator controller is activated, it performs an automatic rigging procedure that checks system health and verifies the value is in the proper position. No additional steps are required from the operator. Woodward...
Number Specific Parameters, and Valve Serial Number Specific Parameters. Some of the configuration settings include factory calibration information. Please contact Woodward with the valve part number and serial number for the data containing the specific calibration and configuration settings if the need arises.
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0 = Off maker function 1 = On DelayTime Delay time between pace maker pulses PositionStep Position demand magnitude for the pace maker pulse ImpulseHalfDuration Time pulse remains high, also time pulse remains low Valve Serial Number Specific Parameters Woodward...
Refer to the table below for a definition of these settings. Please contact Woodward in the event these values need to be entered into the DVP. Table 3-3. Valve Serial Number Specific Parameters...
Note: Actual connector orientation on motor may appear different than that shown. Motor Resolver Connectors (Two Resolvers) Install these two mating cable connectors by hand, so that the red line is no longer visible and the connector cannot be turned any further. Figure 3-9. Motor Resolver Connectors Woodward...
Install the mating cable connector by hand, so that the red line is no longer visible and the connector cannot be turned any further. Figure 3-10. ID Module/Shaft Resolver Actuator Connector Note: Actual connector location on actuator may appear different than that shown. Woodward...
Once the wiring connections are secured, re-install the sensor housing and sensor cover; torque the screws for each to 0.9 N·m / 8 lb.-in. Note that the conduit entry/cable gland fitting may be oriented in 60° increments from the as-shipped position. Figure A Figure B Figure C Figure D Woodward...
With the exception of the SIL2 Flow Sensor, the LESV II is not designed with field-replaceable components. Contact the turbine manufacturer (primary contact) or Woodward (secondary contact) for assistance in the event there is a problem requiring service or replacement.
There is a fuel overboard vent port that must be vented to a safe location. In normal operation, this vent should have very low leakage. However, if excessive leakage is detected from this vent port, contact a Woodward representative for assistance. Never plug the fuel overboard vent port, which could cause the valve to malfunction or to operate improperly.
Do not place hands inside the valve body during inspection, cleaning, or operation. Note: When requesting information or service help from Woodward, it is important to include the part number and serial number of the valve assembly in your communication.
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Piping flange bolts improperly Rework bolts as needed to torqued achieve torque requirements detailed in Chapter 3. Packing missing or deteriorated Return actuator to Woodward for service. Piping flange gaskets missing or Replace gaskets. deteriorated SIL2 sensor output Incorrect sensor wiring...
According to IEC 61508-2, the architectural constraints of an element must be determined. This can be done by following the 1H approach according to 7.4.4.2 of IEC 61508-2 or the 2H approach according to 7.4.4.3 of IEC 61508-2. The 1H approach should be used for the LESV. Woodward...
No modification shall be made to the LESV unless directed by Woodward. This functional check should include as much of the safety system as possible, such as sensors, transmitters, actuators, and trip blocks. The results of any functional check shall be recorded for future review.
The Proof Test Coverage for the LESV is given in the table below. Table 6-3. Proof Test Coverage Application Safety Function λ Proof Test Coverage No PVST with PVST Clean Service Close on Trip – Full Stroke The suggested proof test and proof test coverage is referenced in the product FMEDA; WOO 17/07-039 R001. Woodward...
The failure rates listed below apply to the LESV II – Flow Sensor mechanical positioning aspect of the system, and do not include the failure rates of the MTS Temposonics position sensor. Refer to MTS safety manual 551504 for failure rates of the position sensor. Woodward...
No modification shall be made to the LESV–Flow Sensor unless directed by Woodward. This functional check should include as much of the safety system as possible, such as sensors, transmitters, actuators, and trip blocks. The results of any functional check shall be recorded for future review.
Return the valve to its Zero position. Perform a three-point calibration of the transmitter over the full intended working range. Remove the bypass and otherwise restore normal operation. This is referenced in the product FMEDA: WOO 17/07-039 R002. Woodward...
An Authorized Independent Service Facility (AISF) provides authorized service that includes repairs, repair parts, and warranty service on Woodward's behalf. Service (not new unit sales) is an AISF's primary mission. A Recognized Turbine Retrofitter (RTR) is an independent company that does both steam and gas turbine control retrofits and upgrades globally, and can provide the full line of Woodward systems and components for the retrofits and overhauls, long term service contracts, emergency repairs, etc.
The unit serial number, which is also on the nameplate Engineering Services Woodward offers various Engineering Services for our products. For these services, you can contact us by telephone, by email, or through the Woodward website. Technical Support ...
LESV II Technical Assistance If you need to contact technical assistance, you will need to provide the following information. Please write it down here before contacting the Engine OEM, the Packager, a Woodward Business Partner, or the Woodward factory: General...
Modified the paragraph immediately below Table 3-1 Renumbered Figures in Chapter 3 to account for adding new Figures 3-1 and 3-2 Added Notice box below Figure 3-5 Added part numbers 9904-3463, 9904-3464, and 9904-3465 to Table 7-1 Woodward...
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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.
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