For connecting the solar module of "ST 14 module stand" to the socket on the front. The two front sockets of the schematically shown solar module can be connected to a variable load (e.g. ST 20 RW). External measuring of voltage and current is possible.

Solar module simulator of the exact simulation of a solar module. Short circuit current can be adjusted in steps of variably. Parallel and series connection possible.
Switchable bypass diode. Mains connection 230 V / 50-60 Hz. Open circuit voltage 23.1 V, short circuit current 0 - 1,5 A, rated power 24 Wp.

For the parallel connection of 4 solar modules/simulators each via one diode onto one output. Overvoltage protection without function.
Max. current per input 24 V / 3A.
DC-Disconnector.

For monitoring of the state of charge state of the battery. Controls the loading process and the connection and disconnection of loads (low voltage disconnection). Operation status on LCD display. Rated voltage 12 V / max 8 A.

Transforms direct current into sinusoidal alternating current, single-phase feed-in, line-commutated. Input 28 - 50 V DC, MPP-tracking. AC power approx. 110 W.

Available versions:
230 V / 50 Hz
230 V / 60 Hz
115 V / 60 Hz

Transforms direct current into rectangular alternating current for operation of an island grid system.
Input 12 V DC / 8 A, output 230 V / 50 Hz. AC power approx. 100 W.

Transforms direct current into sinusoidal alternating current for operation of an island grid system.
Input 12 V DC / 8 A.
AC power approx. 100 W.
Available versions:
230 V / 50 Hz
230 V / 60 Hz
115 V / 60 Hz

For connection to the mains (via "ST 13 Mains connection") or to an inverter island grid ("ST 06 R / ST 06 S") and operation of alternating current loads of max. 450 W.
Available versions:
230 V / 50-60 Hz
115 V / 60 Hz

For connection to "ST 04 solar charge controller" and operation of direct current loads 12 V / max. 8 A.

For the connection of "ST 21 solar battery" to "ST 04 charge controller".

Single-phase electronic AC meter for measuring of the generated solar energy.
Display of current power, kWh, measurement duration, inputting of tariff possible.
Available versions:
230 V / 50 Hz
230 V / 60 Hz
115 V / 60 Hz

Single-phase electronic AC meters for measuring of the solar energy fed into the grid and for measuring of the energy drawn from the grid.
Display same as ST 10.
Available versions:
230 V / 50 Hz
230 V / 60 Hz
115 V / 60 Hz

For monitoring single-phase power feeding systems. It prevents uncontrolled island effects following failure or shutdown of the public electricity supply.
Operating voltage 230 V / 50 Hz.

Three-phase AC connection for connection of the public grid via a 5-pole CEE - coupling 16 A to the training system.
Adapter cable for single-phase available.

For the illumination of a 10 W solar module by means of a 400 W dimmable halogen spotlight. The inclination of the solar module and the height and distance of the spotlight to the solar module are adjustable. The inclination of the spotlight can also be altered by fine adjustment. The solar module can be swung to simulate the sun's path during the day.
Power supply 230 V / 50-60 Hz

For connection of the module "ST 22 Solar Module Outdoor" or similar to the socket on the front. The solar module is connected to the two front sockets of the schematically shown solar module.

To perform the basic experiments "Characteristic curve of a diode" and "Characteristic curve of a diode series connection".
Power supply external 24 V DC by "ST 27 Power Supply".

For measuring current up to 1.5 A as voltage drop at the shunt resistance.
E.g. for measurements in grid parallel operation circuits using an oscilloscope.

Highly flexible safety-test leads with 4 mm plugs. Contacts gold-plated brass/hard copper, inclusive wall bracket with 21 holding fingers.

Highly flexible safety-test leads with 4 mm plugs. Contacts gold-plated brass/hard cooper, inclusive movable laboratory stand with 2 brackets supplied with total 42 holding fingers.
Lockable wheels, height 1.45 m.

Panel 1
60 W bulb.
Standard plug socket with switch.
Available versions:
230 V / 50-60 Hz
115 V / 60 Hz

Panel 2
60 W bulb.
Standard plug socket with switch.
Available versions:
230 V / 50-60 Hz
115 V / 60 Hz

Panel 3
9 W Energy-saving lamp.
Standard plug socket with switch.
Available versions:
230 V / 50-60 Hz
115 V / 60 Hz (15 W)

Panel 4
50 W halogen lamp with switch, 12 V.

Four variable resistors:
15 Ohm / 5,5 A
170 Ohm / 1,7 A
325 Ohm / 1,2 A
15,8 K.Ohm / 0,17 A

Closed lead-gel battery especially for storing solar energy. Connected via "ST 09 battery connection" to "ST 04 solar charge controller" for operation of an island grid with storage.
12 V / 27 Ah C100

Solar module for outdoor experiments. Angle of inclination adjustable, can be read off on a large degree scale.
Power 55 Wp.
Operation with "ST 15 Solar module outdoor".

Electronic DC meter for measuring direct current loads.
Using in load cricuits. Display of current power, Wh, reset button.

Particulary robust.
Automatic range selection, large display.
DC / AC max. 1000 V, max. 10 A.

For the power supply of "ST 16 diode series connection".
Control range 0 - 30 V DC / 0-2 A.
Power supply:
115 - 230 V / 50-60 Hz

Alternatively additional solar module for "ST 14 module frame".
Quick change holder.
Power: about 10 W.

ST 28 Solar Module polycrystalline

Alternatively additional solar module for "ST 14 module frame".
Quick change holder.
Power: about 10 W.

ST 28 Solar Module amorphous

Alternatively additional solar module for "ST 14 module frame".
Quick change holder.
Power: about 5 W.

Fuse box with 4-pole FI-circuit breaker, CEE plug and 1.5 m feed cable with CEE plug.
400 V / 50 Hz.

For the adaption of ST 02 and ST 14 in 115 V-grids. Inclusive outlet strip 230 V.
Transformer 115 V AC to 230 V AC / 500 W.

Laboratory table, lockable wheels. Serves as a support for "ST 99 take-up frame", incl. fastening screws.
Tabletop 1.25 x 0.62
Heigh 0.74 m

Detailed experimental instuctions on 12 themes, with solutions. Available in
German
English
Spanish
French

Instructions for all components. Available in
German
English
Spanish
French

Take-up frame for 15 instruction panels.

Take - up frame for 15 instruction panels.