Standard No.:	DL/T 790.321-2002
English Name:	Distribution automation using distribution line carrier systems -- Part 3-21: Mains signalling requirements -- MV phase-to-phase isolated capacitive coupling devices
Chinese Name:	采用配电线载波的配电自动化 第321部分:配电线载波信号传输要求 中压绝缘电容型相相结合设备
Chinese Classification:	F21    Electric power system
Professional Classification:	DL    Professional Standard - Electricity
Issued by:	NDRC
Issued on:	2002-9-16
Implemented on:	2002-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

DL/T 790的本部分适用于中压(MV)配电线载波系统(DLC)的中压绝缘电容型相相结合设备。这种结合设备可以:
a) 保证在载波发送接收机和配电线之间有效地发送接收信号;
b) 保证人身安全，并保护有关低压部分不受工频高电压和暂态过电压的影响。
本部分规定了用于中压配电线载波系统的中压绝缘电容型相相结合设备的定义、要求、试验方法和额定值。