Zhejiang Shenneng Electric Power Technology Co., Ltd
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Reactive power transmitter
1、 Product Overview: A reactive power transmitter is an instrument that can isolate input voltage and current signals and convert them into a DC signa
Product details

1、 Product Overview

A reactive power transmitter is an instrument that can isolate input voltage and current signals and convert them into a DC signal output that is linearly proportional to the input reactive power. It can reflect the characteristics of the system load (capacitive or inductive) and can operate continuously for a long time. It can be widely used in places where high requirements are placed on measuring reactive power in both electrical and non electrical systems. Reactive power is measured using the cross phase method: suitable for measuring three-phase three wire symmetrical balance systems with frequencies of 50Hz or 60Hz; Reactive power is measured using phase-shifting method: suitable for measuring single-phase, three-phase three wire balanced or unbalanced systems with a frequency of 50Hz or 60Hz, as well as three-phase four wire systems.

1、 Model meaning


2、 Technical parameters

▲ Input terminal

Input current range: AC 0-5A

Input voltage range: AC 0-500V

Frequency range: 40Hz-60Hz

▲ Output terminal

Output signal: 4-20mA; 0-20mA; 0-5V; 0-10V

Output load resistance: RL ≤ 500 Ω (when outputting as a current signal)

RL ≥ 10K Ω (when outputting as a voltage signal)

▲ Basic parameters

Power Supply: AC85-265V

Rated power consumption: ≤ 4W (AC220V power supply, 20mA output)

Basic accuracy: ≤ 0.5%F.S.

Temperature drift: 0.02% F.S./℃ (-20 ℃~+55 ℃)

Response time: ≤ 400mS(0-90%)(TYP)

Insulation strength: 2000VAC/1min (between input, output, and power supply)

Insulation resistance: ≥ 100M Ω (between input, output, and power supply)

Working temperature range:- 20℃~+55℃

Electromagnetic compatibility: in accordance with GB/T 18268 (IEC61326-1)

Dimensions and wiring diagram


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