היה הראשון לכתוב סקירה “LRST”
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בקר חוסר פאזה היפוך ואסימטריות
• Monitors its own supply voltage.
• Detects phase failure, phase sequence and phase asymmetry.
• Detects loss of neutral.
• Detect phase failure with regenerated voltage present (back EMF).
• Asymmetry rate from 5 to 20% of Un
• Measuring voltage with neutral.
• LED indicates for: relay status, asymmetry and sequence.
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חוות דעת
אין עדיין חוות דעת.