A more powerful generator for the VAZ 2114. The best generators for the VAZ

Design Features

A standard generator for AvtoVAZ JSC cars consists of the following elements:

1. Back and front covers.
2. Air intake.
3. Brush holder.
4. Rectifier block.
5. Stator.
6. Capacitor.
7. Voltage regulator.
8. Pulley.
9. Rotor.

Some electric generators do not have a built-in voltage regulator. For example, this element is missing in generators for the VAZ-2101.

Types of generators

There are different types of generators for VAZ cars depending on their design. The most common generators are compact in size - 94.3701 and others.

Owners of Russian-made cars install brushless inductor-type generators. For example, devices modification 955.3701. Such generators differ from traditional equipment by the presence of permanent magnets on the rotor and field windings on the stator. Thanks to this, the design of the generator set does not contain slip rings and an alkaline unit, which is one of the most vulnerable and poorly protected.

Generators of type 955.3701 have not previously been used in passenger cars. Now they are manufactured by various Russian enterprises, including the Altai Tractor Equipment Plant. Among the main disadvantages of these electric generators are the high noise level during operation and heavy weight. This must be remembered before choosing a VAZ generator with a brushless design.

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Modern vehicles have many basic and additional equipment that require electric current to operate. The source of such current in the car is the battery, and to recharge it while the engine is running, a generator set is installed.

Generator

Interchangeability of autogenerators

Interchangeability of generators for Lada cars is achieved if the following requirements are met:

• the main technical characteristics of the installed generator are not lower than those of the device being replaced;
• the gear ratio from the internal combustion engine to the generator is the same;
• the devices have similar electrical circuits;
• The new generator is suitable in terms of weight and dimensions and type of fasteners.

Most Russian-made automobile generators have a 2-leg mount. These fasteners are found on both covers. For equipment of foreign brands, installation is carried out using 1 paw, the fasteners are located on the front cover.

In order to correctly install and securely fasten a foreign generator in a car from AvtoVAZ, it is necessary to replace the bracket.

About the current-speed characteristic

TLC is the dependence of the current supplied by a car generator to the on-board network on the rotor speed at a constant voltage. This parameter is calculated when the device is operated together with a charged and serviceable battery with a rated capacity of at least 50% of the rated current of the generator. The characteristic is calculated in the heated and cold states of the equipment.

Main consumer characteristics

1. Maximum current.
2. The magnitude of the operating voltage.
3. Rated power.
4. Gear ratio.
5. Efficiency
6. Dimensions and weight.

The main operating parameters, type and brand are usually indicated on the device label.

Criteria for choosing car generators

1. Maximum power . Power is one of the main characteristics of VAZ generators. It must ensure an uninterrupted supply of current and supply electricity to the battery, which is discharged due to the operation of regular electricity consumers at low speeds of the power unit. To perform basic tasks, the device must have the required power. The required indicator is indicated in the vehicle operating instructions.
2. Current strength . The factory generator installed in the car is not designed for a large number of additional consumers, but at the same time it has a certain reserve. If the autogenerator is “not enough,” then before purchasing a new device, first inspect the old equipment, clean the contacts, check the bearings, etc. You shouldn't use 120A generators in every car. First of all, it's expensive. Secondly, the current may be excessive. Such power-generating devices are installed in tuned cars with a powerful acoustic system.
3. Dimensions . Before purchasing, it is also worth comparing generators by overall dimensions. The device must be compact with high technical characteristics.
4. Noise level . The generator should not make too much noise during operation. This “disease” often affects high-power generators that are sold at a low price. One of the main reasons for the appearance of extraneous sounds (hum) is the poor quality of bearings, which wear out quickly.
5. Availability of guarantee . If there is a warranty, you can exchange a faulty device for a new one if it is defective.

Useful video

You can watch a video on replacing the generator below:

• We disassemble and remove the instrument panel on a VAZ 2114
• On-board computer VAZ 2114: purpose, functions, main errors
• Diode bridge VAZ 2114: what you need to know about it

Hello, tell me, what do you think about 135A Startvolt generators? I'm choosing between Pramo 130a and Starvolt 135a. Ours is actually 300 rubles more expensive.

Source

Which generators are better to put on a VAZ?

Below are recommendations for different models of domestically produced cars.

VAZ - 2106

G-222 is a more powerful and stable self-generator compared to the standard G-221. It has a built-in battery charging relay and increased output (50 A versus 42 A), suitable for the “six”, provided that brushes from the G-221 are used or the connection diagram is changed.

VAZ - 2107

The simplest option for modernizing the electrical network is the G-222 device. The generator is installed in the VAZ-2107 without additional problems. This car will fit a device with a current of 55A from model 2108. The only modification that will be needed during installation is the use of an additional power relay.

VAZ - 2110

The standard generator of the VAZ-2110 is KZATE with a current of 80 A. It has a factory index of 5102.3771. Estimated mileage is 140,000 km. As alternative options, it is worth considering devices 94.3701 and 120 A. It is better to install the second generator on a VAZ 2110 with an injection engine in cars with a large amount of additional equipment, in addition to a DVR and a powerful sound system.

VAZ - 2112 and 2114

It is better to install a generator from Priora or Kalina with air conditioning in VAZ-2112 and VAZ-2114 cars. This device produces a power of 115 A, which is 35 A more than the factory equipment. The only difficulty that the owner of 2114 will encounter during installation is the need to replace the pulley.

As an alternative, you can consider an Eldix brand autogenerator with a capacity of 115 A. However, it is difficult to find spare parts for it, which will cause certain difficulties even with minor breakdowns.

2115

Cars with injection engines are equipped with generators with an output of 80A. This is the standard model 94.3701. To increase power, consider the option with KZATE 9402.3701 90A, which is suitable for the type of fastener and has a similar pulley. If necessary, ensure the operation of a large number of energy-consuming devices.

Priora

Video: GENERATOR FROM PRIORA FOR VAZ 2112.

A Russian or foreign-made generator can be installed in a Lada Priora car. One of the best options in terms of operational reliability is Bosch at 110 A. As a domestic analogue, you can consider KZATE 9402.3701-14 at 115 A.

For most cars from the Volzhsky plant, it is better to use Russian generator sets. Among the main advantages of domestic products, we note low cost, ease of maintenance and repair, and a large number of spare parts in stores. A better alternative is equipment from the German brand Bosch. It is better to avoid buying cheap Chinese electric generators.

Originals, analogues, prices, articles

Operating principle of the electrical energy source

There are 8 coils installed in the GU housing. The material is copper, the connection method is “star”. The rotor is a steel shaft, on the back surface of which magnetic circuits are pressed, between which a winding is installed.

Excitation winding wires and copper-graphite brushes are soldered to the shaft rings. After the ignition is activated, the current from the battery passes through the brushes and winding, forming a magnetic field.

Thus, the rotor is driven, and the alternating current is converted into direct current through the coils.

On the back side of the GU there are two terminals marked “+” and “–”. Accordingly, the terminals with the indicated polarity are connected to the battery.

To rotate the PG you need a battery. When the actual voltage during operation of the unit is higher than the battery voltage, the generator will begin to supply power to the battery consumers. Thanks to this, the on-board network current is maintained within a specified range.

Characteristic reasons for the failure of the main control unit on the VAZ 2114 (2115)

• insufficient tension of the drive belt;
• contamination of contacts on rings;
• mechanical damage to the rectifier unit;
• excessive wear of brushes;
• jamming (freezing) of brushes;
• short circuit in the winding;
• power supply interruption;
• the voltage regulator is faulty;
• roller bearing wear;
• pulley fixation is loose;
• Fan blades are damaged.

Methods for troubleshooting generator VAZ 2114 (2115)

• carrying out preventive measures;
• replacement of the PG assembly (in a comprehensive manner);
• drive belt tension;
• centering the fan blades;
• installation of new brushes;
• replacement of the rectifier bridge;
• voltage regulator prevention;
• inserting a new roller bearing;
• replacing the fuse in the mounting block.

Typical signs of a faulty control unit on a VAZ 2114 (2115)

• the battery charge lamp on the dashboard flashes periodically (systematically);
• indication of battery overcharging, GU does not charge the battery;
• dim headlights;
• weakened sound of the horn, as there is little current, the reason is low voltage;
• the appearance of extraneous noise when the power source is running.

Electrical circuit diagram

Below is a diagram of the generator electrical circuit: