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本部分规定了在标准条件下涉及测定、标示和检验旋转电机噪声发射特性所需的所有内容。同时还规定了适用的噪声测试方法和试验时的运行状态及安装方式。 噪声发射特性包括声功率级和发射声压级，这些量的测定用于： ——电机发射噪声的比较； ——使制造厂能确定噪声发射标示值
Measurement of airborne noise emitted by rotating electrical machines and the noise limits Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
本标准规定了旋转电机在单台空载稳态运行时A计权声功率的噪声限值。 本标准适用于符合GB 755要求并没有采取任何专门降低噪声措施的各种类型的电机。 本标准的表1适用于转速不超过3750r/min、功率从1至5500kW的交直流电机。 本标准的表2和表3分别适用于小功率
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Noise limits
本标准规定了标准偏差不大于4dB（对宽带频谱特性的电机）或不大于5dB（对具有离散频率成分的电机）的电机噪声简易测定方法，以A计权声功率级表达
Measurement of dirborne noise emitted by rotating electrical machinery and the noise limits--Survey method for the measurement of airborne noise
本标准规定了单台旋转电机稳定运行时在空气中所辐射噪声的工程测试方法。 按本标准所规定的方法测定电机噪声，其A计权声功率级的标准偏差不大于2dB。 本标准适用于外形尺寸在长、宽、高三个方向上均不大于15m的单台电机在稳态运行时的噪声测定
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
Noise determination methods and limits for rotating electrical machines - Part 3: Noise limits
Measurement of airbore noise emitted by ratating electrical machines and the noise limits-Part 3: Noise limits
Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 3:Noise limits
本部分： 规定了旋转电机的声功率级测定的试验方法。 对于符合GB 755，按GB／T 1993--1993规定的冷却方法以及按GB／ T 4942．1—2006规定的 防护分级并具备下列特性的旋转电机，规定了电网供电时工厂验收试验方法下A计权声功率级最大值： ·论交
Measurement of airborne noise emitted by rotating electrical machines and the noise limits -Part 3:Noise limits
本部分对于符合GB 755、按GB/T 1993冷却方法以及按GB/T 4942.1防护分级并具备下列特性的旋转电机，规定了最大声功率级： ——论交流或直流，均为常规设计；对特别从电的、机械的或声学的方面为降低声功率级专门改进的除外； ——额定输出从1kW（或kVA）到
Measurement of airborne noise emitted by rotating electrical machines and the noise limits. Part 3: Noise limits
Настоящий стандарт распространяется на вращающиеся электрические машины мощностью свыше 10
Rotating electrical machinery. General test methods. Noise levels determinations
1.1. Prezentul standard stabile?te metodele de m?surare a nivelului zgomotului produs de o ma?in? electric? rotativ? sau de un grup de ma?ini
ELECTRICAL ROTATING MACHINES Methods of measuring the noise level
Method for measuring airborne noise emissions from rotating electrical machines
1.1 This standard for the measurement of noise applies to rotating electrical machines, such as motors and generators of all sizes without limitation
This part of ISO 1680 defines a measurement method for rotating electrical machines operating under steady noise con-ditions, the result of which can
Acoustics — Measurement of airbome noise emittedby rotating electrical machinery — Survey method
1 Scopul prezentului standard este de a stabili nivelele admisibile de zgomot, exprimate ?n dB (A), pentru ma?inile electrice rotative de uz general c
ROTATING ELECTRICAL MACHINES Noise limits
本部分规定了在标准条件下涉及测定、标示和检验旋转电机噪声发射特性所需的所有内容。同时还规定了适用的噪声测试方法和试验时的运行状态及安装方式。 噪声发射特性包括声功率级和发射声压级，这些量的测定用于： ——电机发射噪声的比较； ——使制造厂能确定噪声发射标示值
Measurement of airborne noise emitted by rotating electrical machines and the noise limits Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
本标准规定了旋转电机在单台空载稳态运行时A计权声功率的噪声限值。 本标准适用于符合GB 755要求并没有采取任何专门降低噪声措施的各种类型的电机。 本标准的表1适用于转速不超过3750r/min、功率从1至5500kW的交直流电机。 本标准的表2和表3分别适用于小功率
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Noise limits
本标准规定了标准偏差不大于4dB（对宽带频谱特性的电机）或不大于5dB（对具有离散频率成分的电机）的电机噪声简易测定方法，以A计权声功率级表达
Measurement of dirborne noise emitted by rotating electrical machinery and the noise limits--Survey method for the measurement of airborne noise
本标准规定了单台旋转电机稳定运行时在空气中所辐射噪声的工程测试方法。 按本标准所规定的方法测定电机噪声，其A计权声功率级的标准偏差不大于2dB。 本标准适用于外形尺寸在长、宽、高三个方向上均不大于15m的单台电机在稳态运行时的噪声测定
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
Noise determination methods and limits for rotating electrical machines - Part 3: Noise limits
Measurement of airbore noise emitted by ratating electrical machines and the noise limits-Part 3: Noise limits
Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 3:Noise limits
本部分： 规定了旋转电机的声功率级测定的试验方法。 对于符合GB 755，按GB／T 1993--1993规定的冷却方法以及按GB／ T 4942．1—2006规定的 防护分级并具备下列特性的旋转电机，规定了电网供电时工厂验收试验方法下A计权声功率级最大值： ·论交
Measurement of airborne noise emitted by rotating electrical machines and the noise limits -Part 3:Noise limits
本部分对于符合GB 755、按GB/T 1993冷却方法以及按GB/T 4942.1防护分级并具备下列特性的旋转电机，规定了最大声功率级： ——论交流或直流，均为常规设计；对特别从电的、机械的或声学的方面为降低声功率级专门改进的除外； ——额定输出从1kW（或kVA）到
Measurement of airborne noise emitted by rotating electrical machines and the noise limits. Part 3: Noise limits
Настоящий стандарт распространяется на вращающиеся электрические машины мощностью свыше 10
Rotating electrical machinery. General test methods. Noise levels determinations
1.1. Prezentul standard stabile?te metodele de m?surare a nivelului zgomotului produs de o ma?in? electric? rotativ? sau de un grup de ma?ini
ELECTRICAL ROTATING MACHINES Methods of measuring the noise level
Method for measuring airborne noise emissions from rotating electrical machines
1.1 This standard for the measurement of noise applies to rotating electrical machines, such as motors and generators of all sizes without limitation
This part of ISO 1680 defines a measurement method for rotating electrical machines operating under steady noise con-ditions, the result of which can
Acoustics — Measurement of airbome noise emittedby rotating electrical machinery — Survey method
1 Scopul prezentului standard este de a stabili nivelele admisibile de zgomot, exprimate ?n dB (A), pentru ma?inile electrice rotative de uz general c
ROTATING ELECTRICAL MACHINES Noise limits
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