WJFDJ-30KVA Transformer Generator Set
1. Overview
The WJFDJ medium-frequency brushless generator (hereinafter referred to as the generator) is powered by a 50Hz, 380V power supply. The power-frequency squirrel-cage asynchronous motor (hereinafter referred to as the power-frequency motor) drives a coaxial and common-casing medium-frequency brushless synchronous generator to generate electricity. It provides external three-phase intermediate frequency power with a frequency close to 150Hz and a voltage of 800V.
2. Main specifications and technical performance indicators
1. Main specifications
1.1 Rated power
a)工频电动机的额定功率不作规定，但保证中频发电机能输出额定功率。
b)中频发电机：30kW
1.2额定频率
a)工频电动机：50Hz
b)中频发电机：150Hz
1.3额定电压
a)工频电动机：380V
b)中频发电机：800V
1.4额定同步转速：1460r/min
1.5额定功率因数
中频发电机：0.5(滞后)
1.6励磁方式
中频发电机：无刷
1.7相数
a)工频电动机：3相
b)中频发电机：3相
1.8电机接法
工频电动机：Δ
中频发电机：带中性点引出线的星形接法
1.9工频电动机的启动：Y-Δ起动
2.主要技术性能指标
2.1在发电机启动成功后，中频发电机空载剩磁电压不超过26V，通过调节励磁，输出电压在不超过26V到800V范围内连续可调。
2.2负载从空载到额定空载，发电机输出相电压波形正弦性畸变率≤3%;
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