Woodward 505 Manual
Woodward's 505 and 505E digital controls use a 32-Bit Microprocessor to control industrial sized steam turbines, small utility turbogenerators, or turboexpanders. 505 Enhanced Instruction Manual V1. General Information Introduction This manual describes the Woodward 505 Digital Governor for steam turbines with. Woodward 505 Manual Woodward 505 installation and operation manual, view and download woodward 505 installation and operation manual online digital control for steam turbines 505.
Download Woodward 505 Videos & Photos DVDs The hottest XXX Porn Stars are at Jules Jordan Video The 505 controller is purpose built to provide exemplary operation and protection of your industrial steam turbines. This userconfigurable steam turbine controller includes specifically designed screens algorithms and event recorders to simplify use in controlling industrial steam turbines or turboexpanders driving generators compressors View and Download Woodward 505 installation and operation manual online.
Digital Control for Steam Turbines. 505 Controller pdf manual download.
Buy Motown Automotive Design WOODWARD AVE METAL STREET SIGN 6X24 Decorative Signs Amazon.com FREE DELIVERY possible on eligible purchases MI Department of Licensing and Regulatory Affairs Bureau of Community and Health Services Federally Qualified Health Centers Provider Directory Product Manual 85017V2 (Revision F 1/2013) Original Instructions 505 Digital Governor for Steam Turbines with Single or SplitRange Actuators 991 Woodwards 505 controller is designed to operate industrial steam turbines of all sizes and applications. This steam turbine controller includes specifically designed algorithms and logic to start stop control and protect industrial steam turbines or turboexpanders driving generators compressors pumps or industrial fans.
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Working in thermal power plant with 2x25 mw capacity each governor is 505. When both the unit are connected to grid no problem occurs.
But as the grid fails one turbine has to be made master and other as slave. In that case the slave follows the frequency of master. The selection is done manually by a selector switch. But many times when grid fails the turbine gets tripped due to over frequency. I want to know is there any option in the 505 governor where it automatically takes the frequency to 50hz when the grid fails? Several things are not clear from this post, like if the plant is being separated from the grid when the problem occurs; in other words, is it being 'islanded' and supposed to maintain frequency for the load which is also separated from the grid? If so, has the operation of the plant recently changed, or is this a new plant that has been 'designed' to operate independently of a grid during grid problems?
The quote below is taken from the Woodward 505 Digital Governor Manual 85003, Revision A, page 23, obtained from this URL obtained from a Google search: (remove any spaces inserted by the control.com website software): Quote If the utility tie breaker opens, the control automatically resets the speed reference to the reset-speed set point. This may be synchronous speed or, if plant frequency needs to be maintained after separating from the utility, the reset speed must be above synchronous speed. This speed is determined from the amount of droop programmed into the control and the amount of load the generator is expected to carry. In a droop system, plant frequency varies with generator load. The speed set point can be adjusted manually to compensate for these load changes.
The control also is capable of isochronous speed control on an isolated bus. In this type of application, both synchronous-speed and below-synchronous-speed set points could be set at the turbine's synchronous speed.
Droop The control is not equipped with a droop/ isochronous switch. If droop is configured in the Program Mode, it always is engaged and active when the control is operating in the Run Mode. End Quote Now, as some have recently said (krush, in particular), Woodward manuals are better than GE manuals. It's certainly not clear to me.
I interpret it to say that if droop control is programmed there is no function to switch to droop control. But the whole business about plant frequency varying with generator load in a droop system is just.
It wouldn't be tolerated at any plant I've ever worked at, and apparently not at the original poster's plant either. Not from an 'automatic control system' (governor). QUOTE: If the utility tie breaker opens, the control automatically resets the speed reference to the reset-speed set point. This may be synchronous speed or, if plant frequency needs to be maintained after separating from the utility, the reset speed must be above synchronous speed. This speed is determined from the amount of droop programmed into the control and the amount of load the generator is expected to carry.
In a droop system, plant frequency varies with generator load. The speed set point can be adjusted manually to compensate for these load changes. The control also is capable of isochronous speed control on an isolated bus. In this type of application, both synchronous-speed and below-synchronous-speed set points could be set at the turbine's synchronous speed. Droop The control is not equipped with a droop/ isochronous switch.
If droop is configured in the Program Mode, it always is engaged and active when the control is operating in the Run Mode. End QUOTE I will translate what the above quote is saying. The unit does not have an isochronous mode. When the 'utility tie breaker' opens, the governor will automatically reset the SPEED REFERENCE to a setpoint that is programmed (I presume the owner can adjust this setpoint). If you need the unit to run in 'island mode', you need to estimate what the island load is going to be and use the droop% setting to calculate what setpoint to program for the 'reset-speed set point'. The operator will then be required to manually make adjustments to the speed reference to achieve desired island frequency as loading changes.
Another option would be to utilize a woodward system with isoch load sharing.you can pick up modules like a 723 on eBay for under $2000. Another 'trick' that MIGHT work would be to turn the droop setting to 0 (zero). That would essentially be isochronous. Woodward actually says to do this on UG-8 mechanical governors.
Alas CSA, GE wouldn't even place their manual on the interwebs for us to find to have this discussion:). Notice the lack of any confusing constant-settable droop. I'm a former Woodward Governor Field Engineer. Send me the part number of the 505 and I will help you with your problem. From your description, it sounds like the 505 offline dynamics need to be tuned to prevent the over frequency shutdown.
Depending on the part number of your 505 what you want to accomplish is very possible. When the utility breaker opens one unit can shift to frequency control and the other remain in droop as the swing machine. However, when the utility breaker opens and all your powering is house loads, you may only want to trip droop machine. You have clicked on the '?' Button for search help. To search the site, enter your search terms in the box labeled 'search the site' and hit Enter.
Woodward 505 Operation Manual
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Woodward 505 Xt Manual
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