Update app.py

app.py

@@ -1,8 +1,10 @@
 import streamlit as st
 import pandas as pd
 import numpy as np
+from sympy import symbols, solve
+import pvlib
 
-# App Title with Styling
+# App Title
 st.markdown(
     "<h1 style='text-align: center; color: #4CAF50;'>SolarEase: Hybrid Solar System Planner</h1>",
     unsafe_allow_html=True,
@@ -65,21 +67,6 @@ if st.session_state.appliances:
     appliances_df = pd.DataFrame(st.session_state.appliances)
     st.table(appliances_df)
 
-    # Remove Appliance Option
-    remove_index = st.number_input(
-        "Enter the row number to remove an appliance (starting from 0):",
-        min_value=0,
-        max_value=len(appliances_df) - 1,
-        step=1,
-    )
-    remove_button = st.button("Remove Appliance")
-    if remove_button:
-        if 0 <= remove_index < len(st.session_state.appliances):
-            del st.session_state.appliances[remove_index]
-            st.success("Appliance removed successfully!")
-        else:
-            st.error("Invalid row number.")
-
 # If Appliances List is Not Empty, Perform Calculations
 if st.session_state.appliances:
     # Calculations
@@ -94,25 +81,25 @@ if st.session_state.appliances:
     sunlight_hours = st.slider("Average Sunlight Hours", min_value=4, max_value=10, value=6)
     battery_backup_hours = st.slider("Battery Backup Time (Hours)", min_value=1, max_value=24, value=4)
 
-    # Hybrid Solar System Calculations
-    # Solar Panels
-    energy_per_day = total_energy_kwh
-    panel_output_per_day = 550 * sunlight_hours / 1000  # 550W panels in kWh
-    number_of_panels = int(np.ceil(energy_per_day / panel_output_per_day))
+    # Accurate Solar Panel and Battery Calculations
+    solar_panel_capacity_w = 550  # 550W solar panel
+    energy_per_day_kwh = total_energy_kwh
+    daily_solar_output_kwh = solar_panel_capacity_w * sunlight_hours / 1000  # in kWh
+    number_of_solar_panels = int(np.ceil(energy_per_day_kwh / daily_solar_output_kwh))
 
-    # Batteries
-    battery_capacity_ah = (energy_per_day * battery_backup_hours * 1000) / 12  # Assuming 12V batteries
-    number_of_batteries = int(np.ceil(battery_capacity_ah / 200))  # Assuming 200Ah batteries
+    # Battery Calculation
+    system_voltage = 48  # Assuming a 48V system for efficiency
+    total_battery_capacity_ah = (energy_per_day_kwh * 1000) / system_voltage  # in Ah
+    number_of_batteries = int(np.ceil((total_battery_capacity_ah * battery_backup_hours) / 200))  # Assuming 200Ah batteries
 
-    # Inverter
+    # Inverter Size
     inverter_size_kw = total_load_watts / 1000  # Convert to kW
 
     # Display Results
     st.markdown("<hr>", unsafe_allow_html=True)
     st.markdown("<h2 style='color: #FF5722;'>System Recommendations</h2>", unsafe_allow_html=True)
     st.write(f"**Total Load:** {total_load_watts:.2f} Watts")
-    st.write(f"**Number of Solar Panels (550W each):** {number_of_panels}")
-    st.write(f"**Battery Capacity Needed:** {battery_capacity_ah:.2f} Ah")
+    st.write(f"**Number of Solar Panels (550W each):** {number_of_solar_panels}")
     st.write(f"**Number of Batteries (200Ah each):** {number_of_batteries}")
     st.write(f"**Inverter Size Required:** {inverter_size_kw:.2f} kW")
 
@@ -120,15 +107,15 @@ if st.session_state.appliances:
     st.markdown("<h3 style='color: #3F51B5;'>Design Suggestions:</h3>", unsafe_allow_html=True)
     suggestions = [
         "Use monocrystalline panels for better efficiency.",
+        "Install a charge controller to prevent overcharging the batteries.",
         "Ensure the inverter size is 20-30% higher than the total load.",
-        "Install a charge controller to protect batteries from overcharging.",
-        "Consider lithium-ion batteries for higher energy density and lifespan.",
-        "Place solar panels in a south-facing direction for maximum sunlight exposure.",
-        "Use MPPT (Maximum Power Point Tracking) technology for better solar output.",
-        "Regularly clean the panels to maintain efficiency.",
-        "Calculate the load of heavy appliances like ACs separately for better sizing.",
-        "Invest in a hybrid inverter to handle both solar and grid power.",
-        "Consult a professional installer to ensure safety and compliance.",
+        "Use MPPT (Maximum Power Point Tracking) technology for optimal solar output.",
+        "Consider lithium-ion batteries for better energy density and lifespan.",
+        "Install panels at an optimal tilt angle based on your location.",
+        "Clean solar panels regularly to maintain performance.",
+        "Invest in a hybrid inverter to switch between solar, grid, and battery power.",
+        "Consult a certified solar installer for professional system design.",
+        "Ensure proper wiring and safety measures for long-term reliability.",
     ]
     for suggestion in suggestions:
         st.write(f"- {suggestion}")
@@ -143,3 +130,4 @@ st.markdown(
 
 
 
+