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VTE-XXX-XXX-1-12 energy efficient exciter for generally application with 100% rectifiers reservation and with external transformer in the set.

VTE-XXX-XXX-1-12 energy efficient exciter for generally application with 100% rectifiers reservation and with external transformer in the set.

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VTE_153x300.jpgVTE-xxx-xxx-1-12 Extra energy efficient PLC-controlled synchronous motors excitation device for generally application electric drive (mill, pumps, e.t.c.). 100% reservation of thyristors rectifiers (two rectifiers). Excitation powered from external transformer in the set. Only well-known brands components used in the production. 


Features:
  
  1. PLC-controlled
  2. 100% thyristors (bridges) rectifiers reservation.
  3. Two bridges 3-phase thyristors rectifier, automatically  reservation and switched for best power factor
  4. External transformer UNICORE-technology (no-load current less 0.3A) with two-tapping of secondary winding
  5. (Option) IDLE-AC contactor with magnetic latch ( not require power for hold) switch-off transformer automatically for idle-time bridges thyristors rectifier
  6. Sided maintenance 
  7. Small footprint 
Application:     
  1. Generally application (mill, pump e.t.c) 
  2. Upgrade old existing excitation system for energy saving and industrial control integration
  3. Hig-h and Low-voltage synchronous motor excitation
VTE-1-12 functional structure:
VTE-XXX-XXX-1-12-energy-efficient-exciter-for-generally-application-with-rectifiers-reservation-and-with-external-transformer-in-the-set
 Properties:  

Energy Efficient

Duplication

Current, A

Voltage, V

Cabinet size, mm

Cases

1.Power saving function by cosφ=1

2.UNICORE transformer: No-load current less 0,3A

3.Cooperation rectifiers and transformers with two taps. After the forcing, the main rectifier is connected to the tap of low voltage, so the angle of thyristor control near the minimum, and nearly sinusoidal voltage waveform. As a result of decreasing the iron loss transformer.

2-22_image002.jpg

1.   Two rectifiers

2.   Control circuit supplied from two AC and DC source (option)

200

36

48
75
115

1450x650x430

IP22

IP54

320

 

48

75

115

150

230

1650x650x430

Custom

Custom

Custom

Reservation rectifier
When a fault is detected thyristors control-channel (delayed conduction or no conduction) main rectifier operation is automatically switched to the forcing-rectifier.
If the fault persists, the exciter continues to work on forcing-rectifier to a scheduled stop. If the fault occurs on the forcing-rectifier, the engine and exciter to switched off.

Package:
1. Exciter VTE-XXX-XXX-1-12
2. 3-phase transformer TSZV-XXX/0,7-XXX/XXX/XXX
3. User manual
4. CD-disk Ajuster software
5. USB A-B cable

Data Logger. Oscilloscope
The digital PLC-control system is provided by the data logger. In the non-volatile memory 31 are stored waveform of events: starts/stops the engine, on/off the power of control system.
Statistical information in the history:
- Total operating time of the control system and the engine
- Quantity of emergency shutdowns of the engine (counters for each type of accident)

Advanced oscilloscope unit 
View waveforms from data logger and statistics possible with Ajuster software (reading data by USB interface) and operator panel (Linux-based, color TFT display with touch-screen). Operator panel, provides extended service for data logging:
  1. Storage waveforms and statistics on the SD-card (can be removed)
  2. Waveform - a continuous record of 30 days (ring-record)
  3. Waveform, and statistics can be copied to USB flash-drive
  4. SSH access to files is available via Ethernet
  5. Using the operator panel, can view the waveform of any event, within an arbitrarily given time interval

AjusterDExS.OP.scope.jpg
Ajuster application. Wave form window.Operator panel. Waveform view.

Questionnaire VTE-XXX-XXX-1-12 ENG.rtf
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