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  • Users: oranjeep
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  1. oranjeep

    electrostatic precipitators

    I have been tasked with developing a "process and equipment based report on (electrostatic) precipitator for metrics" Basically, I have to pick some key process parameters of fluidized catalytic cracking and relate thier effect on opacity. Any suggestions?
  2. oranjeep

    high resistance ground device installation

    I have a question about high resistance ground device installation. Does the device have to be connected to the main bus, or can it be connected to a branch circuit, which in turn, is connected to the main bus? The application is for a 3Ph., 1500KVA ungrounded delta-delta feeding a 600V bus...
  3. oranjeep

    Reliability of Mineral Insulated Heat Trace Splice

    I have a large (over 300ft) section of 16-30" process line with failed mineral insulated electrical heat trace which lasted 20 years before failing (shorting/openiong). To save money, we obvioulsy want to find out exactly where the shorts/opens are and replace just that section, instead of...
  4. oranjeep

    Reliability of Mineral Insulated Heat Trace Splice

    Does anyone have any experience with splicing mineral insulated electrical heat trace? How long does a splice last before it fails? Niall
  5. oranjeep

    Partial Discharge Analysis

    I was wondering if any of you have installed a partial discharge analysis device on any of your motors/generators or switchgear. How well has it worked?
  6. oranjeep

    What is "IRR"?

    I have come across an email that talks about IRR for projects. I know it is an economic term-is it "internal rate of return"?
  7. oranjeep

    Mobile/Rentable UPS systems

    We have a UPS system, and the batteries failed and leaked. It is outside in a temperature controled shelter unit, protecting it from water and extreme cold. It has 14 batteries inseries, each about 11 volts. It has been extremely cold lately. They are old (over 10 years). Why-typically-do...
  8. oranjeep

    Unbranded vs. branded

    What are unbranded petroleum products and branded petroleum products? Please give examples.
  9. oranjeep

    Magnitization Current

    How does magnitization current work? I have a motor that has a magnitization current of 2.9 Amps at 460Volts.
  10. oranjeep

    Excessisve arcing in a precipitator

    I work for a refinery, and we are experiencing arcing in our precipitator. Aside from shutting it down, how can we reduce it?
  11. oranjeep

    550KV transmission line causing static discharge

    Workers near a 550KV trainsmission line (installing industrial lighting) are experienceing static electricity in the form of discharge. Has anyone seen this before? What is causing it? Can it be mittigaed?
  12. oranjeep

    Short circuit studies, demand loads, etc..

    I was working as an electrical engineer for a short time and I was introduced, unpleasantly, to demand load studies and short circuit studies of power distribution systems. Unfortunatley, I only understood the one-line diagram part of the whole thing. I would like to understand what I was...
  13. oranjeep

    What is a green sand foundary?

    You don't know me, but since you are into this green sand thing, I thought I woild ask you. I am going for a job inerview in Columbia, PA on Thursday, and I have been doign som research in order to prep myself for the interview. I was searching the internet, and found this statement...
  14. oranjeep

    Job interview

    I am going to a job interview on Thursday. The open positions deal with controls in a steel pipe fittings, couplings, and hangars manufacturer. I have only cursory experience with PLC's (reading about them) What are the best sources on the web, or what books should I look for in the library...
  15. oranjeep

    What is "novel chemistry"?

    What is "novel chemistry"?
  16. oranjeep

    What does "large process window" mean?

    I am reading an article on copper damascene and CMP. The article states, "Damascene technology using chemical mechanical polishing is the best way for copper patterning (that part I understand) with a large process window."
  17. oranjeep

    In need of a career coach

    I am recently separated from the military (Captain, US Army) and I possess a BSEE and have passed the EIT. I have 6 months work experience in power (low voltage). I am going to go for a masters (MBA or MSE), but until then, I want to get a job to gain more experience. I have a lot to offer a...
  18. oranjeep

    Engineering Management

    Does anyone know about degree programs in "Engineering Management"? Are they highly sought after by employers? Are these programs realatively new?
  19. oranjeep

    heat shrinkable polyolefin band

    I am an electrical engineer that is responsible for grounding a house vacuum system (electrostatic discharge in a pneumatic conveying system). In particular, I need to determine if the hundreds of heat shrinkable polyolefin bands used to couple the tube sections together could be responsible...
  20. oranjeep

    Electrical continuity testing

    I am dealing with a problem of electrical continuity in a pneumatic conveying system. The system has to be continuous and grounged because of electrostatic build up from the fast moving air and particles insid the pipe. How are these electrical continiuty test performed on pipe-or...

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