Solar DG Synchronization Systems and Controller

Optimize the Solar Plant Yield and derive maximum benefit

Smartly Distributes the total demanded load between Solar and DG in such way that the DG runs at the minimum possible load, securing against reversefeedingand protecting the inverters from over-frequency damage, while also increasing fuel efficiency.

What is DG Synchronization with Solar?

DG synchronization with solar is a one of the smart energy management processes where the diesel generator (DG) and solar power plant work in tandem in order to meet the total load demand efficiently. This system actually ensures that the DG operators at minimal load, on the other hand, solar generation supplies the remaining energy requirements. By doing so, it protects inverters from being damaged due to over-frequency, prevents reverse power feed, and optimizes fuel consumption.

Benefits of DG Synchronization with Solar

Implementing DG synchronization with solar provides multiple advantages for plant operators, facility managers, and asset owners:

Optimized Load Distribution: Smartly divides energy demand between solar and DG, ensuring the DG runs at the minimum possible load.
Reduced Fuel Consumption: Minimizes diesel usage by letting solar generation cover the majority of the demand.
Protection for Inverters: Prevents over-frequency damage and avoids reverse power feed to the DG.
Enhanced Energy Efficiency: Maximizes solar energy utilization while maintaining reliable backup from the DG.
Zero Export Compliance: Ensures that excess solar energy is not fed into the grid, meeting regulatory and site-specific requirements.

System Brief

PowerAMR DG PV Controller ensures that the solar inverters generate the power as per the change in connected load in case of no grid. In other words, the total demanded load gets smartly distributed between Solar and DG in such way that the DG runs at the minimum possible load and solar will fulfill the remaining load demand. Because the solar power generation is being altered as per the load, the problem of damage to DG is automatically taken care off.

Working Principle

In case of Solar DG Synchronization, energy meter shall be installed at DG panel. When we get off status from the grid and ON status from DG meter or DG’S, the DG PV controller throttles the power of each Inverter as per building load. This will result in the minimum fuel consumption of DG along with reverse power protection and solar generation optimization.

It will be ensured that DG runs at 30% to 36% of its KW rating eg. DG will run in the range of 30 KW to 36 KW in case of 100 KW DG set.

The working principle is as follows-

1. Read Active Power frommeter

2. Is Active power > Max Set point? If yes, increase power oninverters

3. Is Active power < Min Set point? If yes, decrease power oninverters

4. Repeat from step1

Note-
Minimum set point: it is the minimum power output from DG
Maximum set point: it is the maximum required power output from the DG in case there is enough solar power being produced to cater the load.

Download Technical Datasheet

Technological Advancements by Logics PowerAMR – DG PV Controller and Zero Export

Unique Features

Depending upon the site location, distance between solar inverters, DG, LT Mains, communication & network availability, Logics PowerAMR provides the best feasible & economical solution. Below are some illustrations with different technology adopted by Logics PowerAMR to provide the best solution.

1.Wireless Connectivity- DG PV synchronization- Zero Export using wireless devices in university and college campuses to avoid wiring and cabling issues.

Reference Site- 516 kWp Solar Plant in Gaunau Haryana
2.Hardwired connectivity- DG PV synchronization using daisy chaining of RS485 communication cable of one inverter to another and from last inverter to DG PV- Zero Export Controller, another RS485 loop from MFM at LT Mains and DG to DG PV – Zero Export Controller
3.Ethernet Connectivity- DG PV synchronization- on site with solar inverters installed on multiple buildings, using serial to ethernet connectivity where intranet connectivity is available
4.MQTT Technology- DG PV – Zero export Control on site using MQQT technology with solar inverters installed on multiple buildings, at large distance and no connectivity available between each building. In such cases DG PV controller shall be installed on each building with inverter connectivity through SIM

Solar DG Synchronization in Real Installations

Site Type	DG Capacity	Solar Capacity	Achieved Efficiency
University Campus, Haryana	100 kW	516 kWp	98% PR, 95% solar utilization
Industrial Facility, Maharashtra	200 kW	1 MWp	97% PR, 92% solar utilization
Multi-Building Commercial Site, Delhi	150 kW	750 kWp	96% PR, 90% solar utilization

By implementing DG synchronization with solar, these sites have achieved higher fuel efficiency, optimized solar utilization, and better overall system reliability. The combination of remote monitoring, real-time control, and advanced analytics ensures that both solar and DG units operate efficiently, providing maximum return on investment.

Predictive Fuel Optimization with DG PV Controller

By evaluating previous energy usage, current load fluctuations, and solar generation patterns, the DG PV Controller makes smart predictions about diesel consumption and guarantees that solar DG synchronization runs as efficiently as possible. In order to reduce fuel consumption without sacrificing reliability, the system dynamically modifies DG output by predicting DG requirements based on actual and anticipated load patterns. In spite of lowering operating costs, this predictive fuel optimization increases solar energy utilization, cuts maintenance frequency, and improves the DG's lifespan. Improved environmental impact, consistent performance under different load conditions, and more effective energy management are all advantages for facilities.

Remote Energy Monitoring and Alerts

Although the current content mentions general monitoring, the DG PV Controller's sophisticated remote capabilities for DG synchronization with solar greatly improve operational intelligence and control throughout the power system:

Real-time Energy Monitoring

enables an integrated energy monitoring system to provide real-time power monitoring of DG output, solar generation, and load consumption. Without physically being on the site, operators can now quickly understand load sharing, spot imbalances, and guarantee ideal solar DG synchronization.

Automated Alerts

Intelligent alerts notify operators when there are abnormal load circumstances, DG overload, problems with the inverter's performance, or communication breakdowns. These real-time alerts help prevent fuel waste, proactive load management, unplanned system outages, and equipment damage.

Historical Data Analysis

Holds comprehensive energy data for long-term trend analysis, diesel consumption analysis, and solar plant performance evaluation. Based on real system behavior, this data facilitates precise energy forecasting, operational optimization, as well as well-informed maintenance planning.

Benchmarking performance

finds inefficiencies and areas for improvement through analyzing the performance across various DG sets, solar inverters, or locations. Using solar DG synchronization systems, benchmarking helps standardize best practices across sites, optimize fuel consumption, and increase operational efficiency.

Multi-Site and Scalable Synchronization

Consistent solar DG synchronization is guaranteed by the DG PV Controller at various locations, such as campuses, manufacturing facilities, and multi-building commercial sites. This results in it being possible to manage energy systems across locations with ease and high reliability. Among the essential abilities are:

Centralized Control

Increase operational efficiency by controlling solar and DG output for all linked sites from a single interface.

Flexible Protocol Integration

Adaptable to a wide range of configurations, including Ethernet, RS485, MQTT, as well as IoT meters.

Scalable Architecture

As load demands rise, adding more DGs or solar inverters is simple and does not require system reconfiguration.

Standardized Data Reporting

Create unified, actionable insights through the integration of operational along with energy performance data from all sites.

Predictive Maintenance and Asset Health

Early Detection

Detects every load pattern in DG or solar inverter’s pressure before the escalation of issues.

Preventive Maintenance

Schedule proactive checks in order to avoid costly downtime and emergency repairs.

Extended Asset Life

Increases the lifespan of DG engines, inverters, along with electrical components through ongoing monitoring.

Cost Reduction

Reduces unexpected repair expenses with the help of data-driven alerts and predictive maintenance insights.

Reliable Operation

Ensures uninterrupted power supply and smooth facility operations, and maximizes energy efficiency and system longevity.