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| Technical Data | REG-DA | ||||||||||||||||||||||||||||||||||||||||||||||||
| e transformers, ding to those that operate hat are simply freely swit- | |||||||||||||||||||||||||||||||||||||||||||||||||
| n Table ■ | |||||||||||||||||||||||||||||||||||||||||||||||||
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| ln parallel on a busbar | |||||||||||||||||||||||||||||||||||||||||||||||||
| ched In parallel. An essential factor in this context is that no additional components are required as all function units required for parallel | |||||||||||||||||||||||||||||||||||||||||||||||||
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| Figure 1 Functions of the REG-DA regulator (maximurr 1 3x current and 2x voltage transformers 2 Analogue inputs 3 Binary inputs 4 Input for tap-changer display 5 Auxiliary voltage 6 Display and processing unit 7 Analogue outputs 8 Binary outputs 9 E-LAN connection (2 x RS485 with repeater functior 10 COM1.RS232 11 COM2, RS232 12 COM3, RS485 13 Status indication (relay) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Measurement transducer mode The values of all relevant variables of an equally or arbltrs loaded three-conductor three-phase supply network are cai lated and displayed on the basis of the sampling values. can be output as a DC signal via the analogue outputs. | |||||||||||||||||||||||||||||||||||||||||||||||||
| Regulator mode The regulator constantly compares the actual value and a fixed or load-de pen dent setpoint value and, depending on the deviation, determines the correcting variable for the tap changei of the transformer. The regulator parameters can be optimally adjusted to the dynamic time behaviour of the network voltage, which allows for a high control quality at a low number of switching operations. | |||||||||||||||||||||||||||||||||||||||||||||||||
| ■_) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Furthermore, measurement values which are transferred t the regulator as mA signals from external sources can b displayed. Recorder mode The change in the voltage over time and a second selectabl measurement quantity are continuously shown on the displa adjustable. The present tap position is recorded in additio to the measurement values. Therefore it is possible to reviei the voltage and the corresponding tap position at any tlm during the recording.The average recording time for voltage and tap changes is approximately six weeks. The stored values can be displayed with a time and date vi the keyboard or the '//mKLC opoi'iv. ng software. | |||||||||||||||||||||||||||||||||||||||||||||||||
| Parallel connection of transformers All regulators are able to control several transformers connected in parallel to one busbar without any additional devices. Every regulator constantly indicates which rear;tiva currant | |||||||||||||||||||||||||||||||||||||||||||||||||