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Features
Standard embedded structure
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3-phase fully-controlled bridge
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Self-adaptive regulating method
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For the large power, it can be designed with the dual bridges or the multi-bridges
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Multi-bridge current-equalizing coefficient > 0.95
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Foolproof operation
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Direct display (touch screen being optional)
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Great impulse driving capability
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Complete self-check function
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Self-restoring function
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Complete testing function
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Complete limiting protection function
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Excellent control rules
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Reliable dual-power supply
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DI & DO
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RS485 and Ethernet communication
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It forms the dual Ethernet networks when using 2 sets of excitation regulator for the control and regulation, and the Ethernet when there equips with only one set of excitation regulator;
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Technical parameters
AI parameters:
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Terminal voltage: PT 100V
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Stator current: CT 5A or 1A
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DI: 8 loops of dual optical isolation signals input
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A/D conversion resolution ratio: 4096 12 loops
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Auto/manual regulating range: (5~130)% of ratings
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Voltage regulation accuracy: ≤±0.5%
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Phase-shifting range of thyristor: 5~165°
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Control angle resolution of the thyristor : 0.005°/ code
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Setting regulation speed: the speed is adjustable, which ranges 0.3%~1% of ratings per second)
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Auto follow different regulating modes and conduct the auto and non-oscillating switchover at faults;
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Voltage stabilizing power: AC and DC power supply, AC220V±15%, DC220V±15%
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Power consumption: < 200W
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The excitation output voltage can be smoothly regulated within 10%~125% of the rated voltage;
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The excitation voltage can output the rated current and continuously operate within 40%~100% rated output voltage;
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When switching on with the full voltage, the slip ratio is 10% and the error should be ≤ ±10%; when enabling the excitation system, the slip ratio is 5% and it will excite towards the polarity;
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When the grid voltage changes within 80%~120% of the rated voltage, the output fluctuation should be ≤±0.5%;
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The system is provided with the over/under current protection. The setting range of the over current protection is 80%~180% of the ratings and that of the under current protection is 20%~50% of the rating;
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Line broken check, auto switchover and protection for excitation PT and send signals
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Fan stop protection and send signal
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Rectifying fault protection for power bridge and send signals;
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Support local and remote control
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Use RS485 or Ethernet to communicate with the upper computer;
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Click here to get operation manual
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PDL-2 Synchronous Motor Microprocessor-based Excitation System