import type { TransformerLossInput, TransformerLossResult } from './types.js';
/**
 * Calculate transformer losses and efficiency.
 *
 * totalLoss = coreLoss + copperLoss × loadFraction²
 * efficiency = (outputPower / (outputPower + totalLoss)) × 100
 * optimalLoad = √(coreLoss / copperLoss)
 *
 * @param input - Transformer parameters
 * @returns Transformer loss result with efficiency and optimal loading
 */
export declare function transformerLoss(input: TransformerLossInput): TransformerLossResult;
//# sourceMappingURL=transformerLoss.d.ts.map