QUICK-H is a set of modules (H250mm) for studying the role of the earth and an RC circuit-breaker.
The synoptic diagrams on the modules show the path of electrical energy from a transformer substation and a house. Resistive dipoles, for insertion in the modules, allow students to simulate two earth resis- tance values and two fault resistance values.
To prevent any risk of electrocution to the student, the modules operate at extra-low voltage using an isolating transformer to standard NFC61558.
EDUCATIONAL OBJECTIVES
• Make students aware of electrocution risks in the event of indirect contact.
• Make students aware of risks related to the quality of the earth.
• Explain the role of the RC circuit-breaker 30mA in a domestic installation.
roposed Practical Works
• Operation of a magneto-thermal circuit-breaker: rating, breaking capacity, tripping curve, and symbols.
• Operation of an RC circuit-breaker: rating, tripping time, and symbols.
• Physiological effects of the current:
risk areas, risk according to the current, and dangerous voltages.
• Maximum resistance of the earth.
Comprises
• 1 Transformer module 230V AC, 24V AC. A printed diagram shows the public network, with its medium/low voltage transformer substation, and the neutral to earth connection in this substation.
• 2 Modules of transmission lines from the transformer substation to a domestic installa- tion.
• 2 Modules with the RC circuit-breaker 30mA, and a washing machine simulation.
• 1 Module with a printed diagram of a person, equipped with an LED on the heart.
If a dangerous leakage current flows, the LED comes on.
• 1 Dipole support module. Two earth resistances (100 ohms and 5 ohms), 2 fault resis-
tances (10 ohms and 2 kohms) and four blanks so you can use your own resistance va-
lues.
• 1 set of safety leads for carrying out the different practical works.
Mains power supply 230V - 50/60Hz. 3-metre lead with plug 2P+E.
The synoptic diagrams on the modules show the path of electrical energy from a transformer substation and a house. Resistive dipoles, for insertion in the modules, allow students to simulate two earth resis- tance values and two fault resistance values.
To prevent any risk of electrocution to the student, the modules operate at extra-low voltage using an isolating transformer to standard NFC61558.
EDUCATIONAL OBJECTIVES
• Make students aware of electrocution risks in the event of indirect contact.
• Make students aware of risks related to the quality of the earth.
• Explain the role of the RC circuit-breaker 30mA in a domestic installation.
roposed Practical Works
• Operation of a magneto-thermal circuit-breaker: rating, breaking capacity, tripping curve, and symbols.
• Operation of an RC circuit-breaker: rating, tripping time, and symbols.
• Physiological effects of the current:
risk areas, risk according to the current, and dangerous voltages.
• Maximum resistance of the earth.
Comprises
• 1 Transformer module 230V AC, 24V AC. A printed diagram shows the public network, with its medium/low voltage transformer substation, and the neutral to earth connection in this substation.
• 2 Modules of transmission lines from the transformer substation to a domestic installa- tion.
• 2 Modules with the RC circuit-breaker 30mA, and a washing machine simulation.
• 1 Module with a printed diagram of a person, equipped with an LED on the heart.
If a dangerous leakage current flows, the LED comes on.
• 1 Dipole support module. Two earth resistances (100 ohms and 5 ohms), 2 fault resis-
tances (10 ohms and 2 kohms) and four blanks so you can use your own resistance va-
lues.
• 1 set of safety leads for carrying out the different practical works.
Mains power supply 230V - 50/60Hz. 3-metre lead with plug 2P+E.
Eigenschaften
- QUICK-H/ELE