Update app.py

app.py

@@ -1,29 +1,70 @@
-# Install required libraries
+import streamlit as st
 
-# CT Sizing Calculation
+# CT Sizing Calculation Function
 def calculate_ct_size(primary_current, secondary_current, burden, accuracy_factor):
-    """
-    Calculate CT size based on input parameters.
-    
-    Parameters:
-    - primary_current: Maximum load current (Amps)
-    - secondary_current: Standard CT secondary current (Amps)
-    - burden: Total load on CT secondary circuit (Ohms)
-    - accuracy_factor: Safety factor for sizing
-    
-    Returns:
-    - CT size (Amps)
-    """
     ct_size = primary_current / secondary_current * accuracy_factor
     return ct_size
 
-# Example Usage in Google Colab
-if __name__ == "__main__":
-    print("Example CT Sizing Calculation:")
-    primary_current = 500  # Example primary current in Amps
-    secondary_current = 5  # Example secondary current in Amps
-    burden = 10            # Example burden in Ohms
-    accuracy_factor = 1.2  # Example safety factor
+# App UI Configuration
+st.set_page_config(
+    page_title="CT Sizing Calculator",
+    page_icon="⚡",
+    layout="centered",
+    initial_sidebar_state="expanded"
+)
 
+# App Header
+st.title("⚡ CT Sizing Calculator for Substations")
+st.subheader("Easily calculate CT sizes for 132kV, 220kV, and 500kV substations")
+
+# Sidebar for Instructions
+with st.sidebar:
+    st.header("Instructions")
+    st.markdown(
+        """
+        1. Enter the **Primary Current** in Amps (A).
+        2. Select the **Secondary Current** (1A or 5A).
+        3. Specify the **Burden** (total load in Ohms).
+        4. Adjust the **Accuracy Factor** (typical range: 1.0–2.0).
+        5. Click **Calculate CT Size** to see the results.
+        """
+    )
+    st.markdown("For questions or feedback, contact [[email protected]](mailto:[email protected]).")
+
+# Main Input Form
+with st.form("ct_sizing_form"):
+    st.write("### Input Parameters")
+
+    col1, col2 = st.columns(2)
+
+    # Input fields
+    primary_current = col1.number_input("🔌 Primary Current (Amps)", min_value=1.0, value=500.0, step=1.0)
+    secondary_current = col2.radio("🔄 Secondary Current (Amps)", options=[1, 5], index=1)
+
+    col3, col4 = st.columns(2)
+
+    burden = col3.number_input("⚙️ Burden (Ohms)", min_value=1.0, value=10.0, step=0.1)
+    accuracy_factor = col4.slider("📊 Accuracy Factor", min_value=1.0, max_value=2.0, value=1.2, step=0.01)
+
+    # Submit button
+    submitted = st.form_submit_button("Calculate CT Size")
+
+# Display Results
+if submitted:
     ct_size = calculate_ct_size(primary_current, secondary_current, burden, accuracy_factor)
-    print(f"Calculated CT Size: {ct_size} Amps")
+
+    # Display results with a success message
+    st.success(f"✅ Calculated CT Size: **{ct_size:.2f} Amps**")
+
+    # Additional information
+    st.info(
+        """
+        - Ensure the calculated CT size meets substation requirements.
+        - Consult applicable standards (e.g., IEC 61869) for validation.
+        """
+    )
+
+# Footer
+st.markdown("---")
+st.markdown("Designed with ❤️ by [Your Name](https://github.com/your-profile)")
+