NY/T 845-2004
ActiveGeneral technical qualification of generator for micro-hydro power generating equipments
微型水力发电机技术条件
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 使用环境条件 → 4 基本参数 Foreword → 1 Scope → 2 Normative References → 3 Operating Environmental Conditions → 4 Basic Parameters
Scope
This standard specifies the technical requirements for 50 Hz generators used with micro-hydro power generating equipment with rated power of 100 kW and below. This standard applies to micro-hydro generators of 30 kW and below, and micro-hydro generators of 30 kW to 100 kW may refer to it.
本标准规定了额定功率为100 kW及以下微水力发电设备配套使用的50 Hz发电机技术要求。本标准适用于30 kW及以下微型水力发电机，30 kW～100 kW的微型水力发电机参照执行。
Normative References
Keywords
Application Summary AI generated
Manufacturers and testing organizations of micro-hydro power equipment use this standard to design and inspect matching generators. It ensures reliable operation under specified environmental conditions and provides unified performance parameters such as power, voltage, and efficiency. This standard is crucial for promoting rural and small-scale hydropower projects.
微型水力发电设备制造商和检测机构使用本标准来设计和检验配套发电机。它确保发电机在特定环境条件下可靠运行，并提供统一的性能参数如功率、电压和效率。该标准对推广农村和小型水电项目至关重要。
AI Summary AI generated
This standard specifies technical requirements for 50 Hz generators used with micro-hydro power equipment rated at 100 kW and below, primarily applying to generators up to 30 kW with reference for 30-100 kW. It covers operating environmental conditions (altitude, temperature, humidity), basic parameters (rated power grades, voltage, speed), and efficiency requirements, providing a unified basis for design, production, and inspection of micro-hydro generators.
本标准规定了额定功率100 kW及以下微水力发电设备配套的50 Hz发电机的技术要求，适用于30 kW及以下发电机，30-100 kW参照执行。标准涵盖使用环境条件（海拔、温度、湿度）、基本参数（额定功率等级、电压、转速）和效率要求，为微水电设备的设计、生产和检验提供统一依据。
Key Sentences extracted from text
本标准规定了额定功率为100 kW及以下微水力发电设备配套使用的50 Hz发电机技术要求。
本标准适用于30 kW及以下微型水力发电机，30 kW～100 kW的微型水力发电机参照执行。
微型水力发电机在下列使用条件下应能正常连续运行: a) 海拔高度不超过1000 m; b) 冷却空气温度0℃～45℃; c) 机房内相对湿度不超过85%。
微型水力发电机输出的额定功率(KW)优先在下列等级中选取: 0.05, 0.1, 0.2, 0.3, 0.5, 0.75, 1, 2, 3, 5, 7.5, 10, 11, 12, 13, 15, 17, 18.5, 20, 22, 25, 30。
各类发电机在额定容量、额定电压、额定功率因数及额定转速运行时应达到的最低效率η见表1。
This standard specifies the technical requirements for 50 Hz generators used with micro-hydro power generating equipment with rated power of 100 kW and below.
This standard applies to micro-hydro generators of 30 kW and below, and micro-hydro generators of 30 kW to 100 kW may refer to it.
Micro-hydro generators shall be capable of normal continuous operation under the following conditions: a) altitude not exceeding 1000 m; b) cooling air temperature 0℃ to 45℃; c) relative humidity in the machine room not exceeding 85%.
The rated power (kW) output of micro-hydro generators shall be selected preferentially from the following grades: 0.05, 0.1, 0.2, 0.3, 0.5, 0.75, 1, 2, 3, 5, 7.5, 10, 11, 12, 13, 15, 17, 18.5, 20, 22, 25, 30.
All types of generators shall achieve the minimum efficiency η shown in Table 1 when operating at rated capacity, rated voltage, rated power factor, and rated speed.