2014 IEEE Petroleum and Chemical Industry Technical Conference (PCIC) 2014
DOI: 10.1109/pcicon.2014.6961898
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Oil field retrofit of ESPs to Meet Harmonic Compliance

Abstract: A large Petrochemical company installed nearly 50,000 HP of electrical submersible pumps (ESP's) at an existing midwest USA oil field. Being equipped with Adjustable Speed Drives (ASD's) these ESP's introduced high levels of current harmonic distortion which resulted in 14%-19% voltage harmonic distortion at the Electrical Utility supply. Initially, the Utility noticed the low power factor (PF) and had the Oil company pay for the installation of power factor correction (PFC) capacitors on their medium voltage … Show more

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Cited by 5 publications
(5 citation statements)
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“…The common-mode current i CMV travels in a single direction through all three wires, and it can only return to its source by using a different path, such as the neutral or ground, or perhaps parasitic components. Their mathematical expressions are shown in (15) and (16).…”
Section: Common-mode Voltage Harmonicsmentioning
confidence: 99%
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“…The common-mode current i CMV travels in a single direction through all three wires, and it can only return to its source by using a different path, such as the neutral or ground, or perhaps parasitic components. Their mathematical expressions are shown in (15) and (16).…”
Section: Common-mode Voltage Harmonicsmentioning
confidence: 99%
“…Therefore, these issues must be addressed promptly to guarantee maximum performance and safety in the workplace. VFD voltage harmonics result from the modulation process utilized for controlling the power switches [16,17]. Figure 3 illustrates ESP systems' common root cause failures resulting from poor power quality related to VFDs, including high-voltage stresses, repetitive voltage transients, reflected waves, common-mode harmonics, arcing currents, bearing currents, and pulsating torques [16].…”
mentioning
confidence: 99%
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“…The output phase voltage controlled by the soft-starter can be expressed as follows [26]: for 90 0 ≤ α ≤ 150 0 : (12) where V s and V 0 are the input and output phase voltages for the soft-starter, respectively, and α is the trigger/phase angle. The starting torque of an induction motor is proportional to the square of the applied input voltage as indicated in (8). The relationship between the phase angle and the input voltage to an ESP motor is depicted in Fig.…”
Section: Soft-starting Of Esp Systemsmentioning
confidence: 99%
“…To save energy, extend motors' operation life and performance optimization, VSDs are the best choice in the industry. On the other hand, in the power quality point of view, VSDs as any power electronic devices integrated into grid produce distortions since they have non-linear loads into electric power systems that has become a serious issue in recent years [1], [2]. Power quality requirements of loads that have over 100% current total harmonic distortions (THD) may not be precisely regul ated [3].Moreover, harmonics affect power factor as shown in [4].…”
Section: Introductionmentioning
confidence: 99%