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The 501Ds are good machines with a reasonable base load. They were the first Dry Low NOx machines. I don't know if Siemens is converting them to TXP (Siemens control system)or not. If your customer is serious the first step is to look into a control system - WDPF(spares) or after market. Should...

Cool. Residual? Is that the "high ends" off a column? My last trip was doing Prod Mods to five D5s at Sweeny, a Phillips Refinery at Old Ocean Texas. Do you have SUN workstations or WDPF Classic? Lots of sophisticated software for the "Hydrogen"

I worked for Westinghouse (Hamilton) as a Controls FSE from 1999 to 2001. Mostly 501Fs and some dual fuel. What do you want to know?

Thanks for the post. Got lucky. Rectifying Diodes and wire wound resistor was good. Hated to snip wire ties (without schematic)but unable to trace where I was loosing my excitation power source. Turned out to be a broken wire on an excitation coil. Should have known as it was all painted in...

I have the honour to recomission this "old gentleman" a Petter Waushaka Single Phase 110/220Volt 60hz, 63 amps. Inspected the brushes, commutator and sliprings - good shape. Blew the dust off. Hooked up 24volt battery (correct Polarity)and loadbank. Pressed the START. The Generator...

I have the honour to recomission this "old gentleman" a Petter Waushaka Single Phase 110/220Volt 60hz, 63 amps. Inspected the brushes, commutator and sliprings - good shape. Blew the dust off. Hooked up 24volt battery (correct Polarity)and loadbank. Pressed the START. The Generator...

I have the honour to recomission this "old gentleman" a Petter Waushaka Single Phase 110/220Volt 60hz, 63 amps. Inspected the brushes, commutator and sliprings - good shape. Blew the dust off. Hooked up 24volt battery (correct Polarity)and loadbank. Pressed the START. The Generator...