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| Conditions of Use: |
Generator |
| Usage: | Generator |
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TECHNICAL DATA
The DSR is a voltage regulator for synchronous alternators, designed for stand alone working and calibration; to maximize performance, the regulator should be understood as part of a system made up of at least three components: the DSR (control unit), a communications module (DI1, for example) and a supervision unit, as illustrated in figure 4 or 12.
The connectors for connection to and from the power generator and communications module are located on the DSR regulator.
The supervision unit can be made up of a personal computer, another "synoptic" device or both; it does not have the function of controlling the system in real time, but allows programming and visualisation of all operational parameters of the DSR.
If it is equipped with an RS485 or RS232 serial interface, the DI1 communications module is necessary for its connection.
FEATURE
• Full digital controlled regulator, based on DSP
• On-board machine installation
• Suitable for all self-regulated alternators
• Voltage supply: 40Vac÷270Vac (from auxiliary winding, output voltage or PMG)
• Frequency range: 12Hz ÷ 72Hz
• "Sensing" of voltage with true rms or average measurement (70÷280 Vac)
• Maximum continuous output current: 4Adc;
• Precision of voltage regulation: ± 1% from no-load to nominal load in static condition, with any power factor and for frequency variations ranging from -5% to +20% of the nominal value.
• Transient power drops and overvoltage within ± 15%
• Voltage recovery time within ± 3% of the value set, in less than 300 msec.
• Transient overvoltage during start up: less than 5% of nominal voltage.
• Single phase sensing
• Parameters: VOLT, STAB, AMP and Hz can be set with trimmers (default) 50/60Hz through a
"jumper" (default); all parameters can be programmed via software.
• Analogical remote control of output voltage is possible through external voltage (0÷2,5Vdc) or with a 10 Kohm linear potentiometer.
• Environmental temperature: -25°C ÷ +70°C
• Underspeed protection with adjustable threshold and slope
• Overvoltage and undervoltage alarms
• Excitation overcurrent protection with delayed intervention
• Management of temporary short circuits (start up of asynchronous motors)
• Open collector output (not insulated) signalling intervention of protective devices (insulation on optional DI1 module) with programmable activation with respect to the individual alarms and the possibility to delay intervention.
• Abnormal operation conditions storage (type of alarm, number of events, duration of the last event, total time)
• Memorization of the regulator operation time (starting from revision 11 of the Firmware)
• RS232 and RS485 serial communications interface (with optional DI1 module)
WARNING : Operation of the DSR is not specified below 12 Hz.
Fu'an Shaluo Electronics co.Ltd is a manufacturer of generator accessories, Our company has established a long term and stable business relationship with a number of domestic agents and retailers.
The professional person responsible for the quality of supervision and control in the entire process.
In order to get the superior quality we only use selected good element.
Aimed at enabling the production department to manufacture and assemble the product as efficiently as possible
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
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