Changed variable names + real/nominal clarification

Debt tenor was changed to analysis period as recommended by @brtietz, discount rate was clarified to be real
pvlib · eccoope · Mar 6, 2023 · Mar 6, 2023 · Mar 6, 2023 · Mar 7, 2023
commit 49f26311c0aad1438e42d78a3cc84526ab26e9e4
diff --git a/docs/examples/financial/simple_lcoe_calculator.py b/docs/examples/financial/simple_lcoe_calculator.py
@@ -30,14 +30,11 @@
 # Constant annual energy production
 energy = np.full(n, cf*8760)
 
-# Discount rate
+# Real discount rate
 discount_rate = 0.03
 
-# Debt tenor
-debt_tenor = n
-
 # Capital recovery factor
-my_crf = financial.crf(discount_rate, debt_tenor)
+my_crf = financial.crf(discount_rate, n)
 
 # CAPEX
 capex = 2443.45
@@ -46,7 +43,7 @@
 loan_frac = 1
 
 # Annual capital costs
-cap_cost = np.array([capex*loan_frac*my_crf for i in range(debt_tenor)])
+cap_cost = np.array([capex*loan_frac*my_crf for i in range(n)])
 
 # Constant annual O&M
 fixed_om = pd.Series(data=[26.98 for j in range(n)])