SATs Solar Plant (3900 kW AC / 4640 kWp DC)

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SCADA Alarm & Alert Incident History Log

Real-time telemetry fault register • SAT Solutions (3,900 kW AC / 4,640 kWp DC facility).

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CRITICAL ACTIVE FAULT Grid Under-voltage Trip — AC active power dropped to 0.00 kW.

Inverter output disconnect triggered. Immediate operator acknowledgment and grid feeder inspection required.

Target Device: Inverter 08 (Inv-08 / 320 kWp)

Status Code: ERR-402 (Grid Under-voltage)

Timestamp: 01:32:05 PM IST

Alarm State: ACTIVE / UNACKNOWLEDGED

Inspect Inverter 08 Plots ➔

Total Alarms Recorded

Lifetime station log records

Active Critical Alarms

Target: Inverter 08 (ERR-402)

Acknowledged Events

Operator confirmed

Cleared / Normal Events

Resolved automatically

Alarm Event Log Register

Filter State:

Target Device:

Timestamp (IST)	Target Device	Status Code	Fault Description	Category	Duration	Alarm State	Action

SCADA STATION LEVEL 1 • SANAND GIDC SOLAR PV FACILITY

Executive Plant Overview & Master Energy KPIs

DISCOM GRID SYNCHRONIZED • 50.02 Hz 📅 DAY WISE

                                TODAY'S ENERGY GENERATION
                                +1.4% Ahead
                            
                                18,450.60
                                kWh
                            
                                Target: 18,200 kWh
                                Specific Yield: 4.73 kWh/kWp

                                INSTANT ACTIVE POWER
                                83.3% Utilization
                            
                                3,248.50
                                kW
                            
                                Inverter Capacity: 3,900 kW
                                Today's Peak: 3,612 kW @ 12:45

                                PERFORMANCE RATIO (PR)
                                Surplus +3.4%
                            
                                78.4
                                %
                            
                                Industry Standard: 75.0%
                                Capacity Utilization (CUF): 21.8%

                                COMMERCIAL REVENUE TODAY
                                PPA ₹3.00/Unit
                            
                                ₹55,351.80
                            
                                Month: ₹11,48,200
                                Lifetime: ₹1.46 Cr

☀️

Global Irradiance (GHI)

845 W/m²

🌡️

PV Module Surface Temp

48.2 °C

⚡

Feeder Export Voltage

11.04 kV

📟

Inverter Fleet Status

13 / 13 Online 1 Warning

🌱

Carbon Offset Today

15.1 MT CO₂

SOLAR IRRADIATION VS POWER PRODUCTION CURVE

Real-Time Diurnal Bell Curve & Grid Telemetry

POLLING CYCLE: 2.5s • MODBUS LATENCY: 12ms 📅 DAY WISE

☀️ Real-Time Solar Diurnal Curve (Actual vs Clear-Sky Model vs AI Forecast)

● Actual Power (kW) --- Clear-Sky Target ••• Day-Ahead Forecast

GRID EXPORT ACTIVE POWER

3,248.50 kW

83.3% of 3.90 MW Capacity

REACTIVE POWER (Q)

+284.10 kVAR

cos φ = 0.996 Lagging

GRID FREQUENCY

50.02 Hz

Nominal 50.00 Hz (Band: 49.90 - 50.05)

DC TO AC EFFICIENCY

98.42 %

Clipping Loss: 0.00% • THD: 1.8%

STRING & CENTRAL CONVERTER FLEET • 13 UNITS

Inverter Fleet Telemetry & Thermal Health Matrix

12 Optimal 1 Attention (INV-08) 0 Offline Fleet Total: 3,248.5 kW 📅 DAY WISE

INV-01

278.4 kW

DC: 742V AC: 412A Temp: 44.2°C Eff: 98.6%

INV-02

279.1 kW

DC: 745V AC: 414A Temp: 44.8°C Eff: 98.7%

INV-03

277.8 kW

DC: 740V AC: 411A Temp: 45.1°C Eff: 98.5%

INV-04

281.2 kW

DC: 748V AC: 416A Temp: 45.5°C Eff: 98.7%

INV-05

276.5 kW

DC: 739V AC: 410A Temp: 43.9°C Eff: 98.6%

INV-06

280.0 kW

DC: 746V AC: 415A Temp: 44.7°C Eff: 98.6%

INV-07

279.4 kW

DC: 744V AC: 413A Temp: 44.5°C Eff: 98.7%

INV-08 [ALARM]

254.2 kW

DC: 731V AC: 385A Temp: 48.4°C ⚠️ Eff: 97.8%

ERR-402: Auto-Throttled 92%

INV-09

278.0 kW

DC: 741V AC: 412A Temp: 44.0°C Eff: 98.6%

INV-10

281.8 kW

DC: 749V AC: 417A Temp: 45.2°C Eff: 98.8%

INV-11

277.1 kW

DC: 740V AC: 411A Temp: 44.3°C Eff: 98.6%

INV-12

279.8 kW

DC: 745V AC: 414A Temp: 44.9°C Eff: 98.7%

INV-13

280.2 kW

DC: 746V AC: 415A Temp: 44.6°C Eff: 98.7%

11 kV STEP-UP SUBSTATION & INTERCONNECTION FEEDER

Multi-Function Meter (MFM) & Grid Power Quality

TRANSFORMER T1: 4.5 MVA • OIL TEMP: 58.4°C 📅 DAY WISE

⚡ 3-Phase Line-to-Line Voltages (11 kV Bus)

Phase R-Y 11,042 V Normal

Phase Y-B 11,038 V Normal

Phase B-R 11,045 V Normal

Average Bus Voltage: 11.04 kV (Nominal 11.00 kV • Deviation: +0.36%)

🌊 3-Phase Export Currents

Current I_R 184.2 A Balanced

Current I_Y 183.9 A Balanced

Current I_B 184.5 A Balanced

Current Unbalance: 0.18% (Permissible limit < 3.0%)

📊 High-Precision Energy Accounting

TODAY'S NET EXPORT

18,450.6 kWh

MONTH TO DATE EXPORT

382.74 MWh

CUMULATIVE LIFETIME EXPORT

4,892.42 MWh

AUXILIARY IMPORT CONSUMPTION

42.8 kWh

🛡️ Substation Hardware Health & Protection

✔11kV Vacuum Circuit Breaker (VCB): CLOSED / ENERGIZED

✔SF6 Gas Pressure Indicator: 6.2 bar (Safe Range)

✔Transformer Winding Temp (WTI): 62.1 °C (Trip at 95°C)

✔Lightning Arrester Surge Counter: 004 Strikes Recorded

ON-SITE METEOROLOGICAL STATION • CLASS-A PYRANOMETERS

Weather Monitoring Station (WMS) & Irradiation

SOLAR NOON ZENITH: 12:45 IST • CLEAR SKY CONDITIONS 📅 DAY WISE

☀️

Plane of Array (POA) Irradiance

892 W/m²

Pyranometer 1 • 15° Fixed Tilt South

🌐

Global Horizontal Irradiance (GHI)

845 W/m²

Peak Insolation: 982 W/m² @ 12:45

🌡️

PV Module Surface Temp

48.2 °C

PT100 Back-Contact Sensor (Array A-4)

🌤️

Ambient Air Temperature

33.6 °C

Relative Humidity: 42%

💨

Wind Velocity & Heading

3.8 m/s

13.7 km/h • Heading: WNW 295°

✨

Module Soiling Cleanliness

98.2 %

Clean Arrays • Next Wash in 4 Days

HARDWARE SAFETY, GATEWAY DIAGNOSTICS & AUDIT LOGS

Active Alarms, Network Diagnostics & Plant Safety

OVERALL SCADA HEALTH: 99.4% OPTIMAL 📅 DAY WISE

ACTIVE ALARM SPOTLIGHT WARNING LEVEL 2

ERR-402: Inverter 08 High Temperature Transient

Target Device: Inverter 08 (Inv-08 / 320 kWp)

Current Heat Sink: 48.4 °C (Trip threshold: 45.0 °C)

Auto Mitigation: Twin auxiliary cooling fans engaged at 100%; load de-rated to 92% capacity

Trigger Timestamp: Today at 12:48:15 IST (Duration: 6h 58m)

● Actively Controlled by Protection Relay Acoustic Siren: Armed / Standby

📡 SCADA Field Bus & Gateway Health

Moxa NPort 5650 Modbus TCP Gateway (IP: 192.168.1.120)

ONLINE (Ping: 11ms)

RS-485 Modbus Loop A (Inverters 01-07): 3,420 pkts/min

0 Packet Loss

RS-485 Modbus Loop B (Inverters 08-13): 3,418 pkts/min

0 Packet Loss

SCADA SQL Historian & Telemetry Engine Uptime

99.98% (42 Days)

🚨 Emergency Siren & Strobe: Tested & Ready Station Operator: Admin / Lead Engineer

MONTHLY COMMERCIAL REVENUE • PPA FINANCIAL RETURN • ESG IMPACT

Commercial Revenue & ESG Decarbonization Impact

TOTAL CAPEX AMORTIZATION: 64.2% PAYBACK COMPLETE 📆 MONTH WISE

💰 Commercial Revenue & Tariff Economics

TODAY'S ENERGY VALUE

₹55,351.80

18,450.60 kWh @ ₹3.00 / Unit Tariff

CURRENT MONTH BILLING

₹11,48,200.00

382,733 kWh Generated (Target: ₹12.0L)

PLANT LIFETIME REVENUE

₹1,46,77,260.00

Cumulative Generation: 4,892,420 kWh

🌿 ESG Environmental Decarbonization Counters

🏭

4,011.8 MT

CO₂ Greenhouse Emissions Avoided

🌳

1,84,540

Equivalent Mature Trees Planted

⛏️

1,950.4 MT

Coal Combustion Displaced

🚗

872 Cars

Passenger Vehicles Removed for 1 Year

MONTHLY ENERGY PRODUCTION • PERFORMANCE RATIO • REVENUE SUMMARY

Monthly Generation Report & Plant Performance Overview

CURRENT MONTH: OCTOBER 2026 📆 MONTH WISE

                                MONTH GENERATION
                                Oct 2026
                            
                                3,82,733
                                kWh
                            
                                Target: 4,20,000 kWh
                                Progress: 91.1%

                                MONTHLY REVENUE
                                ₹ INR
                            
                                ₹11,48,200
                            
                                Target: ₹12,00,000
                                Tariff: ₹3.00/Unit

                                MONTHLY AVG PR
                                Oct 2026
                            
                                77.8
                                %
                            
                                Benchmark: 75.0%
                                CUF: 21.5%

                                PLANT AVAILABILITY
                                Oct 2026
                            
                                99.4
                                %
                            
                                SLA Target: 98.5%
                                Downtime: 4.1 hrs

📊 Monthly Day-wise Peak Generation (Last 7 Days)

Date	Generation (kWh)	Peak kW	PR%
23 Oct	18,450	3,612	78.4%
22 Oct	17,980	3,540	76.8%
21 Oct	16,230	3,210	74.1%
20 Oct	18,120	3,580	77.9%
19 Oct	15,670	3,080	72.4%
18 Oct	17,340	3,420	77.2%
17 Oct	18,040	3,560	78.1%

🏆 Monthly vs. Annual Benchmarks

Oct Generation vs. Annual Avg+4.2%

YTD Revenue vs. Projection₹1.46 Cr / ₹1.50 Cr

Monthly Avg PR (Oct)77.8% (Benchmark: 75%)

Plant Uptime (Oct)99.4%

CO₂ Saved This Month313.4 MT

📆 Monthly Highlights: Best Day: 18,450 kWh (Oct 23) • Worst Day: 15,670 kWh (Oct 19, partial cloud cover) • Avg Daily: 13,190 kWh

SCADA Alarm & Alert Incident History Log

Alarm Event Log Register

CRITICAL PLANT ALARM DETECTED

Alarm History Trail & Critical Alerts Log

Plant Operations Discussion & Comments

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