Siemens mj-3a manual

Today, Siemens has the largest quantity of regulators installed worldwide. Features and benefits. Features Features include: Electrostatically-applied polyester paint provides greater resistance to corrosion in harsh environments. Type stainless steel external hardware to eliminate rust and galling. Sealed tank has pressure relief device to vent gases produced during tap changes.

External metal-oxide varistor MOV bypass arrester provides superior protection to the regulator series winding from surge and system transients. Oil-sight gauge allows oil levels and oil conditions to be checked without de-energizing the regulator.

Motor capacitor installed in the control cabinet allows replacement without bypassing and transitioning the regulator out of service. Polarized disconnect switch PDS facilitates easy control installation of change out without taking the regulator out of service.

Cover-mounted terminal block provides easier access to wiring by eliminating the need to go under the oil to change tap connections. Monitor and automatically control output voltage through the use of state-of-the-art microprocessor control panels MJ High-creep bushings provide a minimum creep distance of 17" mm. Oil-drain valve includes an oil sampling valve for easy access. Platform base is equipped with provisions to securely attach regulator to sub-base assembly.

Accessories: Remote mounting cables 15' to 50' 4. Internal modifications: Source-side potential transformer Special current transformer. External devices are wired to a terminal strip connector at the back of the MJ-4 Control Panel.

See Appendix K for pin-outs and signal descriptions. Page 68 You may also download this application from enter the system values and the application automatically the Siemens web site see Section 1. After arriving at calculates the resistive and reactive components for you. The Utility transformer polarity for Single-Phase Straight Design regulators can be determined from the regulator nameplate schematic diagram. The Utility winding taps are labeled Un -- Ux, E2. Page 70 U15 to Volts P3 - P4 - P5 - From the table, the system load voltage is volts; therefore, U2 would be connected to U6.

Now check the connection diagram: Siemens Energy, Inc. Page 71 Figure D. Version 4. The table on the next page describes the jumpers and the default settings. Returns to E. Used to reset the Output drag hands of the Tap Position Dial mounted on the regulator. For Siemens regulators, these ten signals connect to the corresponding pins of the PDS connector block.

This signal is provided so that external relay contacts can be connected from Rem R to J22 the Raise motor control signal. Page 84 Auxiliary input contact pair. For future definition. Press Change key - the left hand digit will flash View Messages Page 92 Siemens Energy Inc. This manual is also suitable for: Mj-4b. Print page 1 Print document 92 pages. Huang declare that they have no competing interests. National Center for Biotechnology Information , U.

Clinical Neuroradiology. Clin Neuroradiol. Published online Jul 2. Author information Article notes Copyright and License information Disclaimer. Corresponding author.

Received Nov 4; Accepted Jun This article has been cited by other articles in PMC. Abstract Purpose Endovascular treatment in severe middle cerebral artery MCA stenosis is controversial owing to high rates of periprocedural complications, especially occlusion of the lenticulostriate arteries LSA.

Methods We retrospectively analyzed data from 32 ischemic stroke or transient ischemic attack patients with severe MCA stenosis, who underwent MRI and DSA within 2 weeks after symptom onset.

Keywords: Middle cerebral artery stenosis, Magnetic resonance imaging, Digital subtracted angiography, Fusion imaging, Lenticulostriate arteries. Open in a separate window. Statistical Analysis Continuous values were expressed as medians interquartile range [IQR] , and nominal variables as numbers percentage.

Results Patient Characteristics A total of 32 patients were analyzed in the current study, 22 with culprit MCA stenosis. Table 1 Baseline characteristics of patients in the two groups. Conflict of interest M.

References 1. Li H, Wong KS. Racial distribution of intracranial and extracranial atherosclerosis. J Clin Neurosci. Intracranial atherosclerosis.

Predictors of ischemic stroke in the territory of a symptomatic intracranial arterial stenosis. Stenting versus aggressive medical therapy for intracranial arterial stenosis.

N Engl J Med. Effect of a balloon-expandable intracranial stent vs medical therapy on risk of stroke in patients with symptomatic intracranial stenosis the VISSIT randomized clinical trial. Transluminal angioplasty and stenting versus conservative treatment in patients with symptomatic basilar artery stenosis: Perspective for future clinical trials. Morphometric analysis, region of supply and microanatomy of the lenticulostriate arteries and their clinical significance.

Concurrent comparison of outcomes of primary angioplasty and of stent placement in high-risk patients with symptomatic intracranial stenosis. Abou-Chebl A, Steinmetz H. Fusion of intraoperative three-dimensional rotational angiography and flat-panel detector computed tomography for cerebrovascular neuronavigation. World Neurosurg. Interv Neuroradiol. Knowledge of the working mechanism of inverters, their basic features and parameters can significantly facilitate the process of choosing the right device.

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