Automatic Synchronization of AC Generators
Pakistan is now experiencing severe power outages. Because demand exceeds supply, electricity is not provided to consumers on a continuous basis, and stack shedding of 12 to 16 hours has a negative impact on consumers. This load shedding affects MY COMPANY ELECTRICAL MECHANICAL SERVICES (EMS), which
2025-06-28 16:25:27 - Adil Khan
Automatic Synchronization of AC Generators
Project Area of Specialization Electrical/Electronic EngineeringProject SummaryPakistan is now experiencing severe power outages. Because demand exceeds supply, electricity is not provided to consumers on a continuous basis, and stack shedding of 12 to 16 hours has a negative impact on consumers. This load shedding affects MY COMPANY ELECTRICAL MECHANICAL SERVICES (EMS), which has its own standby power infrastructure. Each one or two blocks in EMS has its own generator. In ten months of the year, these generators operate at less than 30% load, while in the final two months, April and May, they operate at nearly 50% load. If any of the generators don't work, the relevant block will be completely blacked out. As a result, it is necessary to supply persistent all of the blocks' supply. It's true right run parallel generators (Operation of synchronized generators) This method is employed because, even if one of the generators fails, the blocks will continue to receive electricity from parallel generators. This is the central theme of this study. In the area of backup power, EMS is experiencing financial losses. Fuel costs, greater maintenance costs, and lubricating oil costs are all part of these losses. As a result, by using this strategy, these losses can be greatly reduced. Furthermore, EMS can take advantage of a number of benefits associated with this setup, including significant cost reductions in phrases of diesel. For illustration, in synchronized generator operation, just two generators may be used instead of three or four, lowering fuel and maintenance costs. Since all of the generators are synchronized and also the bulk are stacked often directed, heavy loads of blocks such as machinery, mechanical, and electrical equipment, and other similar large loads, may be run easily using the parallel synchronization method. However, in order to operate such a load in an existing system, a separate generator must be installed, as has been completed in Mechanical put a stop to it. current month. The method of synchronized generators can also accommodate future load growth. As an example, if all of the blocks are in place need to construct a new computer laboratory possibly in the future, a single generator must be installed in simultaneously to accommodate this need. However, on the off chance that the generators are not in synchronized, they must introduce 1 generator for each block rather than just one. The system's efficiency will be increased by running generators in parallel. There is a reduction in the number of people needed.
Project ObjectivesThe main objective of our project that we are synchronizing two generators by using the arduino controller. Our aim is to make the synchronization automatically and let all the parameters (Volts, Frequency and phase angle) managed by the controller.
Project Implementation MethodThe automatic synchronizing device must execute the following activities in order to solve the problems mentioned above: The gadget first monitors the voltage difference between the two generators and adjusts the voltage amplitudes to lower the voltage difference when it exceeds the permitted range. Second, the gadget checks the slip frequency between the two generators and adjusts the frequencies in order to lower the slip frequency when it is not permitted. Third, when the slip frequency is not allowed, the device monitors the phase-angle difference between the two generators and adjusts the phases to lower the slip frequency. The closing order is issued when the frequency, voltage, and phase-angle meet the parallel requirements. The principles and concepts are introduced in this thesis. a new automatic synchronizer's construction It also covers the corresponding algorithm and a few other significant CAN protocol implementation approaches which is the thesis's goal, to total the earlier operations with the slightest sum of wiring badgering. Three isolated PIC modules are associated utilizing CAN serial communication conventions within the proposed demonstrate. These PIC modules work autonomously and at the same time. Each generator's voltage characteristics are observed by two PIC modules. The third PIC issues the paralleling instruction as it were when both PIC modules fulfill the synchronization criteria (a flag starting the closing of generator breaker). Since of the isolated equipment, the chances of both PIC frameworks issuing a false paralleling instruction at the same time are diminished. As a result, employing the CAN protocol could considerably enhance synchronization reliability. In addition, the device used a number of different ways to ensure that the data was secure synchronization's veracity and speed.
Benefits of the ProjectOne of the major advantage of using synchronous motor is the ability to control the power factor. An over excited synchronous motor can have leading power factor and can be operated in parallel to induction motors and other lagging power factor loads thereby improving the system power factor.
In synchronous motor the speed remains constant irrespective of the loads. This characteristics helps in industrial drives where constant speed is required irrespective of the load it is driving. It also useful when the motor is required to drive another alternator to supply at a different frequency as in frequency changes
Synchronous motors can be constructed with wider air gaps than induction motors which makes these motors mechanically more stable
In synchronous motors electro-magnetic power varies linearly with the voltage
Synchronous motors usually operate with higher efficiencies ( more than 90%) especially in low speed and unity power factor applications compared to induction motors
The speed (frequency) and voltage of the isolated generator must be closely matched, and the rotor angle must be close to the instantaneous power system phase angle prior to closing the generator breaker to connect the isolated generator to the power system.
Final Deliverable of the Project Hardware SystemCore Industry OthersOther Industries Energy Core Technology OthersOther TechnologiesSustainable Development Goals Industry, Innovation and InfrastructureRequired Resources| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Total in (Rs) | 80000 | |||
| machines | Equipment | 2 | 12000 | 24000 |
| generators | Equipment | 2 | 10000 | 20000 |
| pully | Equipment | 4 | 2500 | 10000 |
| breakers | Equipment | 2 | 1500 | 3000 |
| phase sequence meter | Equipment | 1 | 4000 | 4000 |
| panale | Equipment | 1 | 8000 | 8000 |
| frequency/watt meters | Equipment | 1 | 1000 | 1000 |
| Project report printing Photocopy | Miscellaneous | 1 | 5000 | 5000 |
| Poster Designing , Printing | Miscellaneous | 1 | 5000 | 5000 |