Being World-Class Energy Services Provider

The different current subscripts

Together with tender documents and meter specifications you will find various subscripts related to current. current I without subscriptThis is the actual current flowing trough the energy meter. starting current...

When do I need Isolation Current Transformers?

Isolation Current Transformers (ICT) are needed to test more than one direct connected energy meter on a test bench with multiple positions, assuming that the I-P links can not be...

The Standard Transfer Specification STS

The Standard Transfer Specification (STS) has become recognised as the only globally accepted open standard for prepayment systems, ensuring inter-operability between system components from different manufacturers of prepayment systems.

The four-quadrant diagram in electricity metering

The interactive diagram shows the relationship between the phase angle φ, apparent-, active- and reactive power respective energy in accordance with clauses 12 and 14 of IEC 60375.

What are harmonics ?

Generally a harmonic is a integer multiple of the fundamental frequency (nominal fn). When we have a fn of 50 Hz, the 3rd harmonics is traveling with 150 Hz. We...

Calculating Apparent Power
Vectorial vs Arithmetic Method

There are two commonly used methods to calculate the apparent power (VA). The traditional method is the vectorial calculation.

What is Maximum Demand Measurement?

Demand is a measure of average power consumption over a fixed time interval. Maximum (or peak) demand is the highest demand recorded over the billing period.

Technical vs Non-Technical Losses
What You Need to Know

Technical losses are coming from current flowing in electrical installations. They can not be avoided, but reduced by proper installation. Technical losses can be calculated.

Safeguarding Yourself
A Guide to Personal Safety with Electrical Installations

Personal safety comes first when working with electricity. It's never a mistake to review the basics.

Single Phase Meter Enclosure CL758WJ

The CL758WJ single phase energy meter enclosure is able to accommodate one bottom-connected energy meter and one miniature circuit breaker (MCCB).

Three Phase CT-PT Operated Meter CL730D22H

Designed specifically for medium and large-scale commercial and industrial electricity usage scenarios, the CL730D22H three-phase CT-PT operational meter integrates high-precision measurement with smart grid compatibility, fully meeting the stringent energy...

ANSI Socket Type Meter DDS720E

The electrical ANSI energy meter with socket type connection can be used in single-phase two wire or three wire grids.