Transmission capacity - Sodenyo-ryo (English spelling)

Japanese: 送電容量 - そうでんようりょう（英語表記）transmission capacity

This refers to the maximum transmission power that a transmission line can transmit continuously without any problems. The basic factors that determine the transmission capacity are the allowable current and stability of the line. For short-distance transmission lines, the safe current at which the line does not melt, voltage drop, and transmission loss are considered. For long-distance transmission lines, the power circle diagram is used to perform precise calculations of the transmission power, receiving power, and system voltage, and the capacity is determined by a comprehensive judgment based on the phase difference angle at the transmitting and receiving ends, stability, capacity of phase modifying equipment, transmission efficiency, and economic viewpoints.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

送電線が支障なく常時継続して送電できる最大送電電力をいう。送電容量を決める基本的要因は，電線の許容電流と安定度である。短距離送電線の場合には電線が溶断しない安全電流，電圧降下と送電損失などから検討される。長距離送電線の場合には電力円線図を用いて送電電力，受電電力，系統電圧の精密な計算を行い，送受電端の相差角，安定度，調相設備容量，送電効率，経済的見地などから総合的に判断して決められる。

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