Alarm and fault messages

4.2 Alarm and fault messages

Table 4-13 Fault 43

(Alarm) Vce monitor has responded

 

Condition

The CU has detected an inadmissible circuit voltage

 

 

(voltage on semiconductor module between emitter and

 

 

collector).

 

Causes

Power unit is defective (various components could be

 

 

the source of the problem)

 

 

Transformer is defective

 

 

 

 

 

AC capacitors are incorrectly connected (connection

 

 

does not comply with circuit diagram)

 

Measures

Repair or replace the power unit

 

 

Replace the transformer

 

 

Connect up the AC capacitors correctly

Table 4-14 Fault 48

(Alarm) Regeneration to the DC link

 

Condition

The CU has detected current flowing to the PV field

 

 

(from AC to DC) which is higher than the set permissible

 

 

current value.

 

Causes

Parameter setting error (CU software)

 

 

Drive is defective

 

 

 

 

Measures

Adjust the parameter setting

 

 

Repair the drive

Table 4-15 Fault 62

(Alarm) No checkback signal "Inverter ON"

 

Condition

The S7 is not receiving a checkback signal in response

 

 

to the ON command to the drive

 

 

 

 

Causes

CU defective

 

 

Defective power unit

 

 

Profibus error

 

Measures

Replace the defective components

 

 

Set up a Profibus connection

35

Page 35
Image 35
Siemens SINVERT 350 manual Fault Alarm Vce monitor has responded

350, SINVERT 350 specifications

The Siemens SINVERT 350 series is a high-performance, lightweight inverter system designed to optimize energy conversion in solar power applications. With a power rating of up to 350 kW, this inverter model is tailored for large-scale photovoltaic installations and commercial applications. Its key features and technological innovations make it a valuable addition to any renewable energy project.

One of the main features of the SINVERT 350 is its advanced grid management capability. The inverter is equipped with sophisticated monitoring systems that ensure compliance with various grid connection standards, enhancing stability and reliability for the operator. This ensures seamless integration with existing power grids while optimizing energy yield. Additionally, it supports various grid support functionalities, helping maintain grid stability during high-demand periods.

Another notable characteristic is its modular design. The SINVERT 350 allows for easy integration with other units, scaling effectively to meet the power needs of larger installations. This modularity not only enhances flexibility but also simplifies maintenance and reduces operational costs over time. Each unit can be easily accessed, which minimizes downtime during servicing.

The SINVERT 350 also features advanced cooling technology. With its robust thermal management system, the inverter operates efficiently even under high temperatures, ensuring longevity and reliability. The design minimizes losses due to heat, effectively enhancing the overall energy conversion efficiency.

In terms of safety, the SINVERT 350 is built with integrated protection mechanisms, including over-voltage and short-circuit protections. These safety features safeguard both the inverter and the connected photovoltaic modules, ensuring a secure operating environment.

Another highlight is the inverter’s compatibility with the Siemens Smart Grid solutions. This integration means users can access comprehensive monitoring and analytics tools, enabling real-time performance tracking and optimization of energy output. With built-in web-based connectivity, operators can manage the system remotely, gaining insights and facilitating proactive maintenance.

In conclusion, the Siemens SINVERT 350 series combines robust performance, innovative technologies, and reliable safety features to create a compelling choice for large-scale solar energy projects. Its advanced design ensures operational efficiency and adaptability, thereby enhancing the overall viability of solar energy as a sustainable power source.