AVR SR7 Automatic Voltage Regulator Mecc AlteFor Generator Mecc Alte SR7-2G with a Low Speed and Overload Protection
価格:
$25.15
/Pc
払い戻し:
シェア:
売れ筋商品
3 Phase Generator AVR SR7-2 SR7 automatic voltage regulator for diesel generator
Error amplifier:
Meccalte SR7-2G Automatic Voltage Regulator is a confrontation signal that is highly voltage-,temperature- and age-stabilised, and which is generated inside the electronic regulator. The "VOLT" trimmer positioned on the regulator can modify its value. Each reference signal variation corresponds to an output voltage variation.
Impulse width modulator:
This part of the electronic regulator transforms the control signal into respective impulses that dirve the power SCRs, so that the value of the generator continuous excitation voltage is changed.
Sensing for Meccalte Automatic Voltage Regulator SR7-2G
In this part of the circuit the alternator output voltage is suitably conditioned and applied to an AC/DC converter, the output signal of which is compared to the reference signal.
Protection block of SR7-2G Meccalte Voltage Regulator
Figure 1 clearly shows that the part of the electronic regulator called the protection block is made up of two parts:
a) low frequency protection
b) overload protection.
a) low frequency protection
b) overload protection.
Low frequency protection of SR7-2G Meccalte Automatic Voltage Regulator
The frequency-voltage converter is a fundamental part of the protection block. When the frequency of the output voltage falls below the value of a given threshold, the output signal of this block produces a control signal which lowers the output voltage of the generator, in order to stop over excitation (a typical example is the lowering of the speed for the preheating of the prime mover).
As can be seen from figure 3, when the output voltage frequency of the generator falls by more than 10% of the nominal value, the output voltage reduces in line with the frequency (-7,6V/Hz).
As can be seen from figure 3, when the output voltage frequency of the generator falls by more than 10% of the nominal value, the output voltage reduces in line with the frequency (-7,6V/Hz).
Package list:
1 * Automatic Voltage Regulator AVR SR7-2G
1 * User manual
この製品のレビューはまだありません。
関連製品
$514.39
ポータブルミニ風力発電機キット自家発電屋外電話充電器
