{
"version": "1.0",
"type": "opf_input",
"base_mva": 100.0,
"generator": [
{"index": 0, "node": 1, "p_min": 0.0, "p_max": 200.0, "q_min": -100.0, "q_max": 100.0,
"cost": {"model": "polynomial", "coefficients": [0.0, 10.0, 0.0]}},
{"index": 1, "node": 2, "p_min": 0.0, "p_max": 200.0, "q_min": -100.0, "q_max": 100.0,
"cost": {"model": "polynomial", "coefficients": [0.0, 30.0, 0.0]}}
],
"bus_voltage": [
{"node": 1, "v_min": 0.9, "v_max": 1.1},
{"node": 2, "v_min": 0.9, "v_max": 1.1}
],
"branch_limit": [
{"id": 10, "rate_a": 60.0, "unlimited": false}
],
"load": [
{"id": 30, "node": 2}
]
}