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Motor enclosures

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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20030-MS
... and a common hermetically sealed enclosure for the motor and compressor. The enclosure is pressurized and a barrier system separates the compressor and motor volumes ensuring a clean operating atmosphere for the electrical motor and magnetic bearings. The motor cooling gas is circulated in the motor enclosure...
Journal Articles
J Pet Technol 63 (12): 67–69.
Paper Number: SPE-1211-0067-JPT
Published: 01 December 2011
.... Electric-motor enclosure types, insu- lation systems, and ratings for winding- temperature rise must be specified to standards for general-purpose indus- trial alternating-current squirrel-cage induction motors. Within these stan- dards, descriptions are provided for various classifications of protection...
Proceedings Papers

Paper presented at the EUROPEC/EAGE Conference and Exhibition, June 8–11, 2009
Paper Number: SPE-121710-MS
.... The system is powered by a specialized thermoelectric generation unit located in a protective enclosure. The power generation system consists of a battery package that provides current peak / inrush at motor start up and designed to provide 7 days back-up power for the entire system. The entire system...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 10–13, 1985
Paper Number: SPE-13995-MS
... and the conventional DC motor/SCR system was replaced by an asynchronous motor fed by a GTO frequency converter. Whilst an enclosure of protection class Ex(P) is required for DC motors operating in hazardous area, asynchronous motors can also be built to protection class Ex(d), (e), or (n) for this type...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25730-MS
... level compared to existing technologies. The Rotary Converter (RC) consists of a subsea motor with low input frequency (10 - 30Hz) that runs a generator on a common slowly rotating shaft in a subsea enclosure. The generator supplies high frequency power (50 - 200Hz) to subsea ESPs, pumps, compressors...
Proceedings Papers

Paper presented at the 10th World Petroleum Congress, September 9–14, 1979
Paper Number: WPC-18409
... the compressor table and leaves the enclosure on top of the compressor. 4.2.4. Pumps. When engineering for both plants was started information on noise radiation of centrifugal pumps was rather limited because-up to then- the electric motor drives were the dominating noise sources in most cases...
Proceedings Papers

Paper presented at the European Petroleum Conference, October 22–25, 1984
Paper Number: SPE-12968-MS
... -- To determine the maximum pressure developed during an explosion inside the explosionproof enclosures and motors, and to make sure that an explosion inside these devices will not spread to a surrounding hazardous atmosphere, combustible gases were ignited in ten representative samples. Propane, varying...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-568
... type proximity sensor is identified and which is mounted in the hydraulic drive motors. To isolate the sensor from the environmental pressure, the sensor is encapsulated in a pressure enclosure. This enclosure is designed based on the sensor mounting configuration and further analyzed in finite element...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7257-MS
... ed . All of these components have the connecting leads to their potentially spark generating contacts encapsulated so that even if the enclosure of the control station is filled with an explosive gas/air mixture ignition cannot take place. RELAYS, CONTRACTORS & MOTOR STARTERS Direct-on-line, Delta/Y...
Journal Articles
Oil & Gas Fac 1 (04): 38–46.
Paper Number: SPE-141974-PA
Published: 21 August 2012
... Manufacturers Associa- tion (NEMA) specifies motor enclosure types, insulation systems, and ratings for winding temperature rise. The NEMA standard for general- purpose industrial alternating-current squirrel-cage induction motors is designated as NEMA MG 1-2009 Motors and Generators (2010). Within...
Proceedings Papers

Paper presented at the SPE Americas E&P Health, Safety, Security, and Environmental Conference, March 21–23, 2011
Paper Number: SPE-141974-MS
... should be placed downstream of the final discharge stage to prevent backflow in the event of a leak or piping failure. The National Electrical Manufacturers Association (NEMA) specifies motor enclosure types, insulation systems and ratings for winding temperature rise. The NEMA standard...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1998
Paper Number: OTC-8796-MS
.... Nor has there been a satisfactory electric motor and spring combination design, which met the safety and reliability demands of the industry. Recent advances in electric valve actuator design which incorporate an internal spring to provide the energy required to move a valve to a safe position...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Gulf Coast Section Electric Submersible Pumps Symposium, October 4–8, 2021
Paper Number: SPE-204506-MS
... provide new insight into ESP lifecycle operation. The EWM continually samples line voltage and phase current waveforms that feed electric motors. For ESPs, this means the EWM hardware can be attached top-side within the VFD enclosure to monitor the subsea ESPs. The voltage and current waveforms...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18969-MS
... and high reliability. The subsea design development has resulted in a vertical unit and a common hermetically sealed enclosure for the motor and compressor. The enclosure is pressurized and a barrier system separates the compressor and motor volumes ensuring a clean operating atmosphere for the electrical...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1401
... on seawater lift pump motor enclosure (super duplex SS) causing short circuit to the 800 KW motor. Right: Pitting corrosion in motor end (super duplex SS cast). The corroded area was near the hypochlorite injection system, causing over dosage of hypochlorite on these locations. ©2012 by NACE International...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 22–24, 2013
Paper Number: SPE-165927-MS
..., and knife blades. Switchgear, Motor Control Centers, and Distribution Boards: Busses, terminations, connections/joints, and fuse clips. Motor Starters and Contactors: Motor starter circuit, contactors, terminations, connections/joints, and fuse clips. Variable Frequency Drives (VFD) and Soft...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188169-MS
... Gauge carrier provide all necessary ESP sensor readings including intake pressure, discharge pressure, motor temperature, vibration and current leakage. Seal stack assembly sits below the pump intake and engages with the lower completion. It provides the path for the fluid to be produced from...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-356
... in and 1.6 in di- ameter circular holes to fit the shells of the adsorbent net. The roller was designed to fit 13 shells along its circumference and four shells along its length. The roller was motorized in order to wind and unwind the shell enclosure net periodically to retrieve adsorbent samples...
Proceedings Papers

Paper presented at the ASSE Professional Development Conference and Exposition, June 24–27, 2013
Paper Number: ASSE-13-542
... (including conduit knockouts) in electrical enclosures and fittings closed with appropriate covers, plugs or plates? Are electrical enclosures, such as switches, receptacles, and junction boxes, provided with tight fitting covers or plates? Are disconnecting switches for electrical motors in excess of two...
Proceedings Papers

Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-246
... ventilated radiometers). A low-power computer which handles the data acquisition and logic control functions of the electro-mechanical system. Operational parameters such as frequency of data collection, conditions for cleaning, motor control and error checking, are all controlled through the software...

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