Справочник Пользователя для Siemens 9300
9300 Series User’s Guide
Security Mechanisms
Chapter 6 - Revenue Metering
Page 139
The revenue meter’s energy output register labels follow the revenue metering
terminology; the energy labels for kVAh, kVARh and kWh are different from the
non-revenue devices as follows:
terminology; the energy labels for kVAh, kVARh and kWh are different from the
non-revenue devices as follows:
For example, the meter’s output register kVARh tot will be kVARh del+rec in the
revenue meter model.
revenue meter model.
Additional Revenue Metering Modules
There are additional modules incorporated into the template of the revenue meter.
Some of these modules are used in the calculation and logging of both V
Some of these modules are used in the calculation and logging of both V
2
h and I
2
h
(used for transformer and line loss compensation).
Security Mechanisms
To meet Government regulations and Utility security requirements, the revenue
meter incorporates three types of security systems:
meter incorporates three types of security systems:
a traditional anti-tamper mechanical seal on the meter base unit
a password-based security system that permits password protected minimum/
maximum resets (for example, Sliding Window Demand reset)
maximum resets (for example, Sliding Window Demand reset)
a hardware-based security system that prevents modification of revenue
quantities after the meter is sealed
quantities after the meter is sealed
imp is del
tot is del+rec
exp is rec
net is del-rec
LINE
LOAD
Imported
Delivered
Received
Exported
I12
I12
I11
I11
V1
V1
Revenue Model
Regular Model
Power Provider / Utility
Power Consumer