AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)

AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)

AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)

AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)

AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)
AVR SR7/2 - Công ty TNHH Điện công nghiệp Sài Gòn (SIPower)
Địa chỉ : 103/7/25 Đường số 20, KP4, P. Hiệp Bình Chánh, Q. Thủ Đức, TP HCM
Email: lienhe@saigonpower.com.vn 1
Sản phẩm

AVR SR7/2

Mã: AVR SR7/2
Giá: Liên hệ
Thương hiệu: Mecc Alte
Tình trạng: Còn hàng

The S.R.7/2-G regulator is an advanced electronic regulator of small size and economical price, even if it is very reliable. This regulator is equipped with a low speed and overload protection with an adjustable intervention threshold.

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Supply: There are two possibilities.

1) The supply coincides with the sensing.
In this case the SR7/2 supply should be connected to terminals 3 and 5 (in the case of three-phase  genera-tors, terminal 5 is normally connected with the star point). Terminals 3 and 4 should be connected to each other in such a way that the supply is also the sensing. This connection is necessary when the generator does not have auxiliary winding for supplying the regulator.

2) The supply and sensing are separate.

This is the case of a generator equipped with auxiliary winding for regulator supply. Supply is always connec-ted to terminals 3 and 5 of the regulator. In both these cases (1 and 2) the SR7/2 supply can vary from 80 to 270 Vac. But it should be noted that terminals 2 and 3 should be bridged for supply with voltage between 80 and 160 Vac, while the same terminals should be left open if the voltage is between 160 and 270 Vac.

Sensing: should be connected to terminals 4 and 5 and can vary from between 80 to 700 Vac. The sensing is single phase only and therefore normally connected to one alternator phase.

Operation at 60 Hz: When operating at 60 Hz, terminals 5 and 6 should be connected to each other in order to keep the low frequency protection correctly regulated.

External potentiometer: the 100 kohm (0,5W) external potentiometer that permits a  +   5 % distanced regulation of the voltage should be connected to terminals 5 and 7.

Product Description

The Mecc Alte SR7-2G is an extreme, heavy duty regulator with a small, compact design. The SR7 takes up a little space in the generator terminal box. It has all standard features, from lower or raising the voltage to changing stability. This regulator is equipped with a overload and low protection, with easy to maneuver threshold. It works great in 50/60 Hz applications and is an ideal choice for your everyday generator usage.

The AVR SR7-2G are generally used on ECO32 generator ends. With the latest technology in power regulation, this automatic voltage regulator can support voltage regulation starting from ECO28 to ECO32 generator ends.

Setting it apart from the rest, the SR7-2G has a unique feature that enables superb stabilizing by the turn of the pot.

The SR7-2G replaced the SR7-1, no modifications or retrofitting needed, just review the manual before installation.

CE and CSA rated.

Mecc Alte SR7-2G Features and Capabilities:

  • 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)  

Mecc Alte SR7-2G Product Description

The Mecc Alte SR7-2G is designed to control many different types of generators. However, it must be properly configured to obtain the best performance.

Description

Mecc Alte Spa voltage regulator, brand new, original

Part Numbers

SR7-1, SR7-2, GEAVRSR7, SDMO 330432237, SDMO 330430237, POWEMATE 0057453

Manufacturer

Meccalte SPA

Availability

In stock, same day shipping worldwide

Origin

Manufactured in ITALY

 

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