Power Measurement by Three Voltmeter & Three Ammeter Method
Nvis 7062
Product Description
Nvis 7062 Power Measurement by Three Voltmeter and Three Ammeter Method is an educational laboratory trainer that demonstrates how to measure active power and power factor in three phase systems using the three voltmeter and three ammeter techniques. The unit lets students calculate real power when a wattmeter is not available, reinforcing understanding of phase relationships, line and phase quantities, and practical measurement procedures. The panel is user friendly, provides clearly marked test points for easy connections, and includes protection circuits to ensure safe experimentation.
Product Features
- Digital Panel Meters for better accuracy
- Inbuilt Inductive load
- Equipped with Supply Indication Lamps
- Designed by considering all the safety standards
- Diagrammatic representation for the ease of connections in 3 voltmeter method and three ammeter method experiments
- Online product tutorial
Scope of Learning
- To calculate the Power and Power Factor in a Single-Phase circuit using three voltmeter method (3 voltmeter method)
- To calculate the Power and Power Factor in a Single-Phase circuit using three ammeter method
Why Choose Nvis 7062 – Three Voltmeter & Three Ammeter Method Trainer?
- Comprehensive Learning Solution
Specially designed to demonstrate power measurement using three voltmeter method, 3 voltmeter method, and three ammeter method, making it ideal for practical understanding.
- Perfect for Electrical Labs & Training
Suitable for engineering colleges, polytechnics, and technical institutes to perform accurate experiments on power and power factor.
- High Accuracy Digital Meters
Equipped with digital panel meters to ensure precise readings during three voltmeter method and three ammeter method experiments.
- User-Friendly Design
Clear diagrammatic representation and test points make circuit connections simple and safe for students.
- Built-in Safety Features
Designed with protection circuits to prevent faults during practical usage.
- Hands-On Practical Experience
Enables students to perform real-time calculations and understand concepts beyond theory.
- Reliable & Durable Build
Manufactured following safety standards, ensuring long-term usage in laboratories.
Frequently Asked Questions (FAQs)
1.What is the three voltmeter method?
The Carey Foster Bridge measures very low resistances and small resistance differences accurately using the Wheatstone bridge principle.
2.What is the three ammeter method?
A method to measure active power and power factor using three ammeters and appropriate voltage measurements, useful when a wattmeter is not available.
3.What is the purpose of the Nvis 7062 trainer?
To teach students practical power measurement using the three‑voltmeter and three‑ammeter methods, including calculation of power and power factor.
4.Can this trainer be used in electrical labs?
Yes; it is ideal for engineering colleges, polytechnics, and training institutes for hands‑on experiments.
5.What experiments can be performed using this kit?
Experiments to calculate power and power factor in three‑phase circuits using the three‑voltmeter and three‑ammeter methods under balanced and unbalanced conditions.