DOCA0213EN-02

Demand Measurements

General Description

Demand registers include:

  • current demand

  • active, reactive, and apparent power demand

The window duration of current demand depends on the configuration of register 3352. Refer to Demand Time.

The window duration and the window type of power demand depend on the configuration of registers 3354 and 3355. Refer to Demand Time.

The demand measurements are refreshed every minute with the sliding window type.

The demand measurements are refreshed at the end of the window interval with the block window type.

Current Demand

Address

Register

RW

X

Unit

Type

Range

Description

0x0897

2200

R

1

A

INT16U

0–20xIn

Current demand on phase 1: I1 Dmd

0x0898

2201

R

1

A

INT16U

0–20xIn

Current demand on phase 2: I2 Dmd

0x0899

2202

R

1

A

INT16U

0–20xIn

Current demand on phase 3: I3 Dmd

0x089A

2203

R

1

A

INT16U

0–20xIn

Current demand on the neutral: IN Dmd (1)

0x089B

2204

R

1

A

INT16U

0–20xIn

Maximum of current demand on phase 1: I1 Peak Dmd (2)

0x089C

2205

R

1

A

INT16U

0–20xIn

Maximum of current demand on phase 2: I2 Peak Dmd (2)

0x089D

2206

R

1

A

INT16U

0–20xIn

Maximum of current demand on phase 3: I3 Peak Dmd (2)

0x089E

2207

R

1

A

INT16U

0–20xIn

Maximum of current demand on the neutral: IN Peak Dmd (1) (2)

(1) This value is not available when the system type in register 3314 is 31 or 40. Refer to System Type.

(2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

Active Power Demand

Address

Register

RW

X

Unit

Type

Range

Description

0x08AF

2224

R

10

kW

INT16

-30000–+30000

Total active power demand: P Dmd (1)

0x08B0

2225

R

10

kW

INT16

-30000–+30000

Maximum of total active power demand: P Peak Dmd (2)

(1) For the block window type, this value is updated at the end of the window interval. For the sliding window type, the value is updated every minute.

(2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

Reactive Power Demand

Address

Register

RW

X

Unit

Type

Range

Description

0x08B5

2230

R

10

kVAR

INT16

-30000–+30000

Total reactive power demand: Q Dmd (1)

0x08B6

2231

R

10

kVAR

INT16

-30000–+30000

Maximum of total reactive power demand: Q Peak Dmd (2)

(1) For the block window type, this value is updated at the end of the window interval. For the sliding window type, the value is updated every minute.

(2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

Apparent Power Demand

Address

Register

RW

X

Unit

Type

Range

Description

0x08BB

2236

R

10

kVA

INT16

0–30000

Total apparent power demand: S Dmd (1)

0x08BC

2237

R

10

kVA

INT16

0–30000

Maximum of total apparent power demand: S Peak Dmd (2)

(1) For the block window type, this value is updated at the end of the window interval. For the sliding window type, the value is updated every minute.

(2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

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