solar panel , solar controller , solar battery , solar inverter,RECTIFIER

Please, send us the best complete offer for the following material intended for 20 photovoltaic plants :

PHOTOVOLTAIC MODULE

Qty = 1480 modules 180 w which answer points below :

1/The solar modules must be conceived and made in accordance with the specification ISPRA-502 and 503 or equivalent IEC 61215.

2/The solar modules will have to resist to all the natural phenomena of destruction such as: heat, cold, hail, rain, dust, snow, sand, wind of sand, etc...

3/Every module has to contain one limps waterproof in the water and in the dust for the passage of cables.

4/The tenderer will supply modules having the following electric characteristics :

    · The power typical crest Pc,
    · The power guaranteed crest Pg,
    · The tension crest Vc,
    · The tension crest Ic,
    · The current in short circuit Isc,
    · The tension in opened circuit Voc,  
    · The coefficient of variation of the tension in circuit opened according to the temperature,
    · The coefficient of variation of the current in circuit opened according to the temperature.
     · The curves which give the current according to the tension to various temperatures of the cell (0°C, 25°C, 50°C, 75°C).

5/The technical characteristics (Pc, Pg, Vc, Ic, Isc, Voc) must be approved and engraved(burnt) on a descriptive plate(patch) behind the module.

6/cells must be squared. The type of silicon will be mono or semi-lens.

7/The solar cell must be built from mono crystalline  silicon with an efficiency superior to 12 %.

8/The proposed modules have to have a minimal life expectancy  (cycle) of 20 years with a guarantee on the electric performances of 10 years and a degradation lower than 10 % of the foreseen (planned) maximal production.

Please mention on the proforma invoice the efficiency in percentage of these modules .

- REGULATORS (charger controller)

Qty = 100 Regulators of entry 40/60 Amperes for photovoltaic plant 48V or 20 Regulators to 5 entries of regulation each.

Qty = 20 Regulators of exit 50/70 Amperes for photovoltaic plant.

Please find below the wanted characteristics:

The main functions of the regulator to be proposed are:

· The management of the load of the battery,
· The protection of the battery(drum kit) against the deep discharges, · The measures of the conditions of load and the discharge,
· The generation of alarms (local and contagious by dry buckles in case of very high or very low voltage of battery.

The regulator will have to consist of one or several floors of regulation in the entrance(entry). In every floor will be linked certain number of modules.
The common(current) max of entrance(entry) of the regulator must be sized to support(bear) the maximal current of short circuit of the solar modules.

The currents of exit(release) of the regulator must be big enough to support(bear) the common(current) max of equipments.

The functioning of the regulator will have to be the type "series". The regulation puts into series mean that current of the solar modules pass in the battery or not: it is an all or none system, there is no diversion of running(roaming) when this one does not load(charge) the battery(drum kit).

A system of power-cut of the solar modules must be foreseen(planned) in case the battery(drum kit) would have reached(affected) its maximal capacity. The relays of necessary cuts will be in the mercury or electric.

A system of power-cut of the load(responsibility) ( the use) must be also planned, in case of period prolonged without sun and to protect thebattery(drum kit) against a profound discharge(dump).

The mode compensation in temperature of batteries(drum kits) thanks to a probe extern(day pupil) placed on batteries(drum kits) must be foreseen(planned).

The current which can cross(spend) in the contact of cut side use will have to be equal to 1,5 times the nominal current necessary for the fed equipments. The type of contact must be clarified and will be as a rule(in principle) as the precedent. The sudden drop in blood pressure will be indicated.

Except the contacts of entrances(entries) and exits(releases), protections will be foreseen(planned) in the global entrance(entry) and in the global exit(release) of the regulator.

Two exits(releases) will be foreseen(planned) towards the use freed(delivered) from the protected global exit(release).
Diodes anti-return will be foreseen(planned). The diode will be the type Schottky with weak sudden drop in blood pressure. This tension must be clarified (maximum 0,7 V).

The regulator will also have to be equipped with the lamps of alarms and indication of the various states as well as the measurement system and the following control:

· Avoid the overload of the battery(drum kit) by isolating the solar modules of the battery(drum kit) with local alarm. This alarm will have to be contagious by dry buckle with possibility of earthing her(it). The cabling and the dismissal of alarms are chargeable to the supplier.

 · Limit the depth of discharge(dump) of the battery(drum kit), in case of period prolonged without sun, by disconnecting the use of the battery(drum kit) with alarm of the same type as that quoted previously.

· The extension of the alarms for the low tensions of battery(drum kit) must be foreseen(planned). This information will have to be able to have gone back up(raised,tripped out) to the exchange of surveillance thanks to dry contacts.

 · the measures of the currents of the solar field and the use as well as the tension of batteries(drum kits) are necessary.
· These indications will have to be visuals on a back-lit billposters LCD with a drop-down menu, allowing to show the following parameters:

- State of load(responsibility).
- Tension of the Battery(Drum kit).
- Current of load(responsibility).
- Current of discharge(dump).
- Current of discharge(dump) going out of the battery(drum kit).
- Current of load(responsibility) produces by the solar panels.

 · The on-site modifications will have to be possible with a password:

- Regulation of the thresholds of tension with a margin of +/-10 %.
- Regulation of the levels of alarms a margin of +/-10 %.
- Activation or deactivation of the mode compensation in temperature with possibility of adjusting the level of compensation mV / °.
- An automatic and periodic forced load(responsibility) (regulation of time(weather) and of the level of tension).

 A function(office) of recording of the data is indispensable to assure(insure) an easy and remote (optional) interview(maintenance):

- The storage of the daily solar energy, the daily consumption, the maximal and minimal values of the tension and the temperature.
- A memory of duration minimum of 2 years.
- A port(bearing) for the communication.
- The software of configuration and use has to work under environment Microsoft WINDOWS (muy important!!)