Update app.py

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
 from translate import Translator
-from pvlib import pvsystem, location
+from pvlib import location, pvsystem
 import pandas as pd
 import numpy as np
 
@@ -30,54 +30,76 @@ lang_code = languages[selected_language]
 st.title(translate_text("Solar System Designer", lang_code))
 
 # Solar panel selection
-solar_panel_options = {
-    "300W": 300,
-    "400W": 400,
-    "550W": 550
-}
-panel_choice = st.selectbox(translate_text("Select Solar Panel Capacity", lang_code), options=list(solar_panel_options.keys()))
-panel_capacity = solar_panel_options[panel_choice]
+solar_panel_capacity = 550  # Fixed for simplicity
 
 # Battery options
 battery_types = {"Lithium-Ion": 0.95, "Lead-Acid": 0.8}
 battery_choice = st.selectbox(translate_text("Select Battery Type", lang_code), options=battery_types.keys())
 battery_efficiency = battery_types[battery_choice]
 
-# Appliance entry
-st.subheader(translate_text("Add Your Appliances", lang_code))
-appliances = []
-
-if "appliances" not in st.session_state:
-    st.session_state["appliances"] = []
+# Predefined appliances
+appliances = {
+    "LED Bulbs": 10,
+    "Fans": 60,
+    "LED TV": 80,
+    "Computers": 150,
+    "Refrigerator": 200,
+    "Washing Machine": 500,
+    "Water Pump": 750,
+    "Iron": 1000,
+    "Microwave Oven": 1200,
+    "Water Dispenser": 150,
+    "Geyser": 2000,
+    "Heater": 2000,
+    "Dishwasher": 1800,
+    "Inverter AC": 1500,
+    "Others": 0  # Custom power input
+}
 
-appliance_name = st.text_input(translate_text("Appliance Name", lang_code))
-power = st.number_input(translate_text("Power (Watts)", lang_code), min_value=1)
-usage_hours = st.number_input(translate_text("Usage Hours per Day", lang_code), min_value=1)
+# Appliance selection and customization
+st.subheader(translate_text("Select Appliances", lang_code))
+selected_appliances = []
 
-if st.button(translate_text("Add Appliance", lang_code)):
-    st.session_state["appliances"].append({"name": appliance_name, "power": power, "hours": usage_hours})
+for appliance, power in appliances.items():
+    if appliance == "Others":
+        power = st.number_input(translate_text("Enter Power for Others (Watts):", lang_code), min_value=0)
+    hours = st.number_input(translate_text(f"Usage Hours for {appliance}:", lang_code), min_value=0, max_value=24, value=1)
+    if hours > 0:
+        selected_appliances.append({"name": appliance, "power": power, "hours": hours})
 
-if st.session_state["appliances"]:
-    st.table(st.session_state["appliances"])
+if selected_appliances:
+    st.write(translate_text("Selected Appliances:", lang_code))
+    st.table(selected_appliances)
 
 # Calculate recommendations
 if st.button(translate_text("Calculate Recommendations", lang_code)):
-    total_load = sum(a["power"] * a["hours"] for a in st.session_state["appliances"])
+    total_load = sum(a["power"] * a["hours"] for a in selected_appliances)
     st.write(translate_text(f"Total Load (Watts): {total_load}", lang_code))
 
+    # Inverter requirement
+    inverter_capacity = total_load / 1000  # Convert to kW
+    st.write(translate_text(f"Inverter Required: {inverter_capacity:.2f} kW", lang_code))
+
     # Solar panel calculation
     sunlight_hours = 5  # Average peak sunlight hours
-    panels_required = np.ceil(total_load / (panel_capacity * sunlight_hours))
+    panels_required = np.ceil(total_load / (solar_panel_capacity * sunlight_hours))
     st.write(translate_text(f"Solar Panels Required: {int(panels_required)}", lang_code))
 
+    # Battery calculation
+    battery_capacity = np.ceil(total_load / (battery_efficiency * sunlight_hours))
+    st.write(translate_text(f"Number of Batteries Required: {int(battery_capacity)}", lang_code))
+
     # Suggestions
     st.subheader(translate_text("System Design Suggestions", lang_code))
     suggestions = [
         "Ensure panels are installed at the optimal tilt angle.",
         "Consider a hybrid system for backup and grid integration.",
         "Use high-quality MPPT charge controllers.",
-        "Plan for system expansion in future.",
-        "Maintain batteries regularly for longevity."
+        "Plan for system expansion in the future.",
+        "Maintain batteries regularly for longevity.",
+        "Choose reliable and locally available components.",
+        "Use an energy monitoring system to track usage.",
+        "Consult a certified solar installer for best practices."
     ]
     for suggestion in suggestions:
         st.write(translate_text(suggestion, lang_code))
@@ -90,3 +112,4 @@ if st.button(translate_text("Calculate Recommendations", lang_code)):
 
 
 
+