公开(公告)号：US3911415A

公开(公告)日：1975-10-07

申请号：US51970274

申请日：1974-10-31

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： WHYTE IAN A

IPC: H02J13/00 ,  H04B3/54 ,  H04M11/04

CPC classification number: H02J13/0089 ,  H04B3/54 ,  H04B2203/5437 ,  H04B2203/5466 ,  Y02E60/723 ,  Y02E60/7815 ,  Y02E60/7892 ,  Y04S10/16 ,  Y04S40/121 ,  Y04S40/146

Abstract: A power line carrier communication system for linking individual power customers with a central station includes the power distribution network between a distribution substation and the customer locations. Frequency translating and signal reconditioning repeaters are connected to intermediate locations of the network to relay carrier signals at different frequencies. Customers are also linked to individual repeaters so as to be grouped into separate communication zones. Each repeater includes separate repeater channels for duplex operation in which two receiving and two transmitting carrier signals have separate and non-interfering frequencies. The repeaters maintain the carrier signals at usable signal to noise ratios when transmitted through extended power line distances having various attenuation and loading characteristics.

Abstract translation: 用于将单个电力用户与中央站连接的电力线载波通信系统包括分配变电站与客户位置之间的配电网络。 频率转换和信号再生中继器连接到网络的中间位置以中继不同频率的载波信号。 客户也链接到单个中继器，以便被分组成单独的通信区域。 每个中继器包括用于双工操作的单独中继器信道，其中两个接收和两个发送载波信号具有分离和非干扰频率。 当通过具有各种衰减和负载特性的延长的电力线距离传输时，中继器将载波信号保持在可用的信噪比。

公开(公告)号：US3925728A

公开(公告)日：1975-12-09

申请号：US44458374

申请日：1974-02-21

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： WHYTE IAN A

IPC: G01R11/36 ,  G01R11/42 ,  H04B3/54 ,  G01R7/00 ,  G01R11/32

CPC classification number: H04B3/54 ,  G01R11/36 ,  G01R11/42 ,  H04B2203/5466 ,  Y10T307/773

Abstract: Magnetic sections of an induction watthour meter include metering coils for connection as elements of a terminating impedance network for power line carrier communication signals. Stator cores of the magnetic sections are made of a ferrite magnetic material so that the metering coils can have predetermined high frequency resonant circuit characteristics. The terminating impedance networks are integral to the watthour metering circuit to provide high impedances for terminating the communication signal to reduce undesired effects on the signals due to low impedance customer electric loads and wide variations in the loads. An alternative embodiment includes a terminating impedance network connected in a watthour metering circuit in which a low impedance circuit protects against interfering high frequency signals originating at a customer''s premises.

Abstract translation: 感应电度表的磁性部分包括用于连接作为用于电力线载波通信信号的终端阻抗网络的元件的计量线圈。 磁性部分的定子芯由铁氧体磁性材料制成，使得计量线圈可以具有预定的高频谐振电路特性。 终端阻抗网络与瓦特计量电路是一体的，以提供用于终止通信信号的高阻抗，以减少由于低阻抗客户电负载以及负载的大幅变化对信号的不期望的影响。 一个替代实施例包括连接在瓦特计量电路中的终端阻抗网络，其中低阻抗电路保护免受干扰来自客户​​房屋的高频信号。

公开(公告)号：US3924223A

公开(公告)日：1975-12-02

申请号：US44458774

申请日：1974-02-21

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： WHYTE IAN A ,  VERCELLOTTI LEONARD C

IPC: H04B3/54 ,  H04M11/04

CPC classification number: H04B3/54 ,  H04B2203/5466 ,  H04B2203/5483 ,  H04B2203/5491

Abstract: A terminating impedance network is disclosed for communication signals transmitted by a power line carrier communication system to the premises of residential customers of an electric utility. Corrective impedance values suitable for communication signal terminations are established in the power line conductors serving the customer loads from a distribution network. Frequency sensitive low impedance values are established across the service conductors adjacent the customer loads to protect the communication system from interfering signals and high frequency noise originating in the customer loads.

Abstract translation: 公开了一种终端阻抗网络，用于由电力线载波通信系统发送到电力公司的住宅用户的房屋的通信信号。 在从分配网络为客户负载服务的电力线导体中建立适用于通信信号终端的纠正阻抗值。 在与客户负载相邻的服务导体之间建立频率敏感的低阻抗值，以保护通信系统免受干扰信号和源自客户负载的高频噪声。