GB/T 46474-2025 Active National standards

GB/T 46474-2025 Binary power generation systems with capacity less than 100 kW—Performance test methods

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46474-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Other power generation equipment

ICS Name: Gas turbines, steam turbines, and steam engines

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 20 pages

Scope

This document specifies the performance test method for dual-loop power generation systems, where the heating medium is non-pressurized hot water with a maximum temperature of less than 100°C, generated from renewable energy or waste heat from industrial processes, and the cooling medium is cold water. It also stipulates the performance test procedures, standard conditions, and test methods to determine the power output and generation efficiency of dual-loop power generation systems, including heating conditions (temperature, flow rate) and cooling conditions (temperature, flow rate). This document defines standardized test conditions and validates the generation efficiency of dual-loop power generation systems. This document applies to dual-loop power generation systems with a power generation capacity of less than 100 kW. The test and rating requirements in this document are based on the use of matching components. This document does not include dual-loop power generation systems with a power generation capacity exceeding 100 kW. Here, the main heating medium is non-pressurized hot water with a temperature of less than 100°C.