Description:
Direct replacement to your original unit.
Plug-and-play, direct fit, easy installation.
No assembly required
The Quality exceeds the OEM equipment
Improved heat sink and charging capabilities
Higher grade of electric components.
Specification:
Condition: New
Product Type:Voltage Regulator Rectifier
Material:High Quality Aluminum
Primary Color: Same as the picture
Position on the vehicle:Front
Hole Diameter：5mm
Wires length:260mm
Fixation holes center to holes center :80mm
Approx Size:100mm x 70mm x 40mm(Length x Width x Height)
Voltage： 12 Volt
Warranty：1 Year
Replacement Part Numbers:74523-94, H2394,74523-94A
Package Included:2 x Voltage Regulator Rectifier
Fits Models:
Harley Davidson Sportster XL883 1994-2003
Harley Davidson Sportster XL1200 1994-2003
Notes:
Before installing your new voltage regulator rectifier.
Check the AC output of the stator.
Replace any burned or corroded connectors on stator and regulatorrectifier.
Check and repair any melted wiring.
Use hi-temp dielectric grease on all connectors.
What is a voltage regulator rectifier?
The rectifier converts the AC voltage into a DC voltage as shown in the blew. This is done by inverting the negative portion of the AC voltage to generate a positive voltage. The result is a DC voltage because the current can now flow in only one direction through a hypothetical load (not shown in the figure). However, there are still large variations in voltage and current and it cannot be used as a DC supply to power electronic circuits. Figure 3 indicates a very important property of the rectifier output: since the negative portion is flipped to the positive values, the rectifier output is a periodic signal with a period that is half the period of the input. Hence, if the input is a 50-Hz signal, the output frequency will be 100 Hz. This observation can be helpful in troubleshooting an AC/DC power supply.
Are motorcycles AC or DC?
The reason for this is that almost all motorcycles are equipped with a three-phase AC (Alternating Current) generator, while the electrical system on the bike is a DC (Direct Current) system. The rectifier part inside the regulator-rectifier takes care of converting the AC-current to the DC-current the battery needs.
Will a motorcycle start with a bad Rectifier?
The rectifier is part of the charging system. If you put a freshly charged battery in your motorcycle, and you have a bad rectifier, it won't stop your motorcycle from starting, but your battery wouldn't stay charged. The regulator/rectifier on your motorcycle performs two functions.
How hot does a rectifier get?
It's normal for an OEM shunt-type regulator/rectifier (RR) to get quite hot — especially when the load being drawn by the electrical system is low. The RR is simply converting excess stator output wattage (that isn't needed to run the bike and charge the battery) to heat. That's why there are cooling fins on the RR
What happens if you put DC into a rectifier?
If we look at the basics, a bridge rectifier converts pure ac to pulsating dc with the use of 4 diodes or SCR's . That means a pair of diodes will act as a short circuit path to the negative half of the cycle and will allow us to obtain or draw the negative half as output.
How a diode works as a rectifier?
Diode rectifier gives an alternating voltage which pulsates in accordance with time. The filter smoothes the pulsation in the voltage and to produce d.c voltage, a regulator is used which removes the ripples. There are two primary methods of diode rectification: Half Wave Rectifier.
Is converter and rectifier are same?
Rectifier convert AC quantity into the DC quantity while inverter is use for convert DC quantity into AC quantity. As rectifier and inverter both converting one quantity to another both can be called as Converter.
Does a rectifier change voltage?
Although a rectifier converts alternating current to direct current, the resulting direct current isn't a steady voltage.
Where do we use Rectifier?
Applications and Uses of Rectifiers.A rectifier is used for powering appliances.These are used with transformers.Uses of rectifier while soldering.It is also used in AM radio.
Uses of Rectifier in circuits.It is used for modulation.It is used in voltage multiplier.
How do I test a regulator rectifier?
e.g.The motorcycle rectifier tester circuit here can be used to test a 6-wire shunt type regulator-rectifiers for a 3-phase charging system of motorcycles.
As the name suggests, the unit consists of 2 circuits i.e. the Regulator and the Rectifier. Usually, the wires are coded as below:
Regulator Rectifier Tester
The rectifier section of RR-unit consists of only 6 rectifier diodes as shown. The wires are connected as shown. The Black/Yellow wire is not used.
IC2 is a 555 which is configured as an astable vibrator. Since the supply voltage is 18V and max voltage for 555 is 15V, a zener diode D2 is introduced to protect the IC.
The output is connected to 1 yellow wire at a time. Both the LEDs should blink, indicating that the corresponding rectifiers are good. If only one LED or no LED blinks, it indicates one or both rectifiers are bad.Now, the connections of red and green wires are interchanged. If one or both LEDs blink, it indicates that the rectifiers are short (bad).
